Research Areas
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Manufacturing Technology (Mechanical Engineering, Electrical and Electronic Engineering, Chemical Engineering) / Electron device and electronic equipment
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Nanotechnology/Materials / Nano/micro-systems
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Informatics / Intelligent informatics
Graduating School
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Tohoku University, Faculty of Engineering
1995.03, Graduated
Graduate School
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Tohoku University, Graduate School, Division of Information Science
Doctor's Course, 2000.03, Completed
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Tohoku University, Graduate School, Division of Information Science
Master's Course, 1997.03, Completed
External Career
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, Technical Support Staff, 2000.04 - 2003.11
Academic Society Affiliations
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IEEE Solid-State Circuit Society
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IEEE Electron Device Society
Research Career
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MOSFET based Integrated Sensor using CMOS technology, 2003.12 -
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Ultra-Low Power Mixed Signal LSI for Various Sensor Systems, 2006.03 -
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Signal Processing from Various Sensing Data using IoT device, 2014.04 -
Papers
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The Pillow-Type Unrestricted Sleep Measurement System for Sleep-State Analysis, IEICE Proceeding Series, 76 173-176, 2023.09
Harada Tomochika, Yokoyama Michio
Single Author
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An Evaluation of the Magnetic Field Characteristics for the Probe Position and Temperature using the Multi-Output MOSFET Sensor by 0.18 µm CMOS Process, IEEJ Transactions on Sensors and Micromachines, 143(9) 300-305, 2023.09
Suzuki Shinya, Harada Tomochika
Multiple Authorship (Only Japanese)
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A 0.18µm Magnetic Detectable Octagonal-MOSFET for Implementable of LSI System, IEEJ Transactions on Sensors and Micromachines, 141(12) 388-393, 2021.12
Oikawa Kota, Harada Tomochika
Multiple Authorship (Only Japanese)
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Evaluation of a Filter-less AD-PLL with a Wide Input Frequency Range Using a Fast-Locking Algorithm, 2021 28th IEEE International Conference on Electronics, Circuits, and Systems (ICECS), 2021.11
Roberto Andrino Robles; Tomochika Harada; Michio Yokoyama
Multiple Authorship (Only Japanese)
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A Low Power 0.6V Filter-less AD-PLL with a Fast Locking Algorithm in the Subthreshold Region, 2021 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS), 2021.11
Roberto Andrino Robles; Tomochika Harada
Multiple Authorship (Only Japanese)
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The association between the subjective quality of sleep and the phase of a 90-minute periodic signal for the wake-up support system, IEICE NONLINEAR THEORY AND ITS APPLICATIONS, 12(3) 464-474, 2021
Cho Seung-Il, Tsuchiya Minami, Tanaka Atsushi, Yasuda Muneki, Harada Tomochika, Yokoyama Michio
Multiple Authorship (Only Japanese)
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Low-Power Sleep Monitoring System for the Long-Term Battery Operation and Sleep Data Analysis, IEICE Proceeding Series, 74 33-36, 2020.11
Harada Tomochika, Kasai Koki, Tsuchiya Minami, Yokoyama Michio
Multiple Authorship (Only Japanese)
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Low-Power Sleep Monitoring System for the Long-Term Battery Operation and Sleep Data Analysis, The 2020 International Symposium on Nonlinear Theory and its Applications (NOLTA), 33-36, 2020.11
T.Harada, K.Kasai, M.Tsuchiya, M.Yokoyama
Multiple Authorship (Only Japanese)
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A 0.6V Programmable Frequency Divider and Digitally Controlled Oscillator for Use in a Digital PLL in the Subthreshold Region, 27th IEEE International Conference on 2020 27th IEEE International Conference on Electronics, Circuits and Systems (ICECS)n Electronics, Circuits and Systems, 1-4, 2020.11
R.A.Robles, T.Harada
Multiple Authorship (Including Foreigners)
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A Study on the Correlation Between the Subjective Satisfaction of Sleep and Phase of a 90-Minute Periodic Signal, The 2020 International Symposium on Nonlinear Theory and its Applications (NOLTA), 37-39, 2020.11
S.-I.Cho, M.Tsuchiya, A.Tanaka, M.Yasuda, T.Harada, M.Yokoyam
Multiple Authorship (Including Foreigners)
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Changing Tendency Analysis of Sleep Quality on the Basis of Temperature and Respiratory Frequency Using a Neural Network Model, INTERNATIONAL JOURNAL OF FUZZY LOGIC AND INTELLIGENT SYSTEMS, 20(2) 87-95, 2020.06
Tsuchiya Minami, Cho Seung-Il, Tanaka Atsushi, Yasuda Muneki, Harada Tomochika, Yokoyama Michio
Multiple Authorship (Only Japanese)
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Visualization and evaluation of the relation between the estimated sleep satisfaction levels using nonlinear multiple regression analysis and autonomic nervous system, IEICE NONLINEAR THEORY AND ITS APPLICATIONS, 11(4) 517-526, 2020
Cho Seung-Il, Tsuchiya Minami, Tanaka Atsushi, Yasuda Muneki, Harada Tomochika, Yokoyama Michio
Multiple Authorship (Only Japanese)
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A Study on the Relation Between the Estimated Sleep Satisfaction Levels Using Multiple Regression Analysis and Autonomic Nervous System, The 2019 International Symposium on Nonlinear Theory and its Applications (NOLTA), 153-156, 2019.12
S.-I.Cho, M.Tsuchiya, A.Tanaka, M.Yasuda, T.Harada, M.Yokoyam
Multiple Authorship (Including Foreigners)
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Multi-Output Octagonal MOSFET for the Common Device of Both Sensor and Circuit Design, 2019 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS), 382-385, 2019.12
T.Harada
Single Author
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A Small and Low-Power GPS Motion Tracking System for the Animal Tracking Data Collection, The 2019 International Symposium on Nonlinear Theory and its Applications (NOLTA), 157-160, 2019.12
T.Harada, M.Yokoyama, Y.Takasugi, C.Takanashi, M.Ookubo
Multiple Authorship (Only Japanese)
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A Design and Evaluation of 0.5V Filter-less Digital Phase Locked Loop With A New Clock Synchronization Algorithm, IEEJ Transactions on Electronics, Information and Systems, 139(1) 70-75, 2019.01
Watanabe Kousuke, Harada Tomochika
Multiple Authorship (Only Japanese)
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Estimation of sleep onset and awaking time using a deep neural network with physiological data during sleep, IEICE NONLINEAR THEORY AND ITS APPLICATIONS, 10(4) 366-372, 2019
Tsuchiya Minami, Tanaka Atsushi, Yasuda Muneki, Harada Tomochika, Cho Seung-Il, Yokoyama Michio
Multiple Authorship (Only Japanese)
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A 0.6V PWM Analog Differential Absolute Distance Circuit Using Only a Reference Pulse Clock Under the Subthreshold Region, 2018 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS), 382-385, 2018.11
T.Harada, F.Kojima
Single Author
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Estimation of Awaking Time Using a Deep Neural Network with Physiological Data During Sleep, The 2018 International Symposium on Nonlinear Theory and its Applications (NOLTA), 27-30, 2018.09
M.Tsuchiya, A.Tanaka, M.Yasuda, T.Harada, S.-I.Cho, M.Yokoyama
Multiple Authorship (Only Japanese)
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Detecting Human-Interaction Networks Based on Statistical Machine Learning and Sparse Modeling, The 2018 International Symposium on Nonlinear Theory and its Applications (NOLTA), 34-37, 2018.09
M.Yasuda, Y.Mikuni, Y.Yokoyama, T.Harada, A.Tanaka, M.Yokoyama
Multiple Authorship (Only Japanese)
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The Multiple Beacon System for Detection of the Gathering Degree of People in a Certain Place, The 2018 International Symposium on Nonlinear Theory and its Applications (NOLTA), 31-33, 2018.09
T.Harada, M.Yokoyama, M.Yasuda, A.Tanak
Multiple Authorship (Only Japanese)
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Evaluation of Sleep Quality Based on Environmental and Vital Sensor Signals Using Big Data Analysis and Deep Learning, The 2017 International Symposium on Nonlinear Theory and its Applications (NOLTA), 38-41, 2017.12
M.Tsuchiya, A.Tanaka, M.Yasuda, T.Harada, M.Yokoyam
Multiple Authorship (Including Foreigners)
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Multiple Sensor Data Acquisition System using Commonly Available Sensor Devices for Sleep and Car Conditions, The 2017 International Symposium on Nonlinear Theory and its Applications (NOLTA), 50-53, 2017.12
T.Harada, M.Yokoyama, S.-I.Cho, A.Tanaka, M.Yasuda
Multiple Authorship (Including Foreigners)
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Parallel Sensing Operation using Octagonal MOSFET, 2017 International Symposium on Electronics and Smart Devices (ISESD), 278-281, 2017.10
T.Harada
Single Author
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Octagonal MOSFET for Simultaneous Sensing of Temperature and Magnetic Field, 2017 International Conference on Solid State Devices and Materials, 803-804, 2017.09
T.Harada,K.Kaiwa
Multiple Authorship (Only Japanese)
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Stress Direction and Temperature Detectable Octagonal nMOSFET Multi Operation Device, 2016 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS), 538-542, 2016.10
T.Harada,K.Kaiwa
Multiple Authorship (Only Japanese)
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8 Directions Detectable Octagonal nMOSFET Stress Sensor, IEEJ Transactions on Sensors and Micromachines, 136(9) 420-424, 2016
Kaiwa Koyo, Yamazaki Yoshihito, Harada Tomochika
Multiple Authorship (Only Japanese)
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3-Input 2-Output Comparator Based on Rail-to-Rail Operational Amplifier using Subthreshold Region, The 2015 International Symposium on Nonlinear Theory and its Applications (NOLTA), 880-882, 2015.12
Tomochika Harada
Single Author
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An Evaluation of 5-Output MOSFET Strain Sensor, IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences, J98-A(8月) 496-501, 2015.08
Single Author
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Design of low-power clock generator synchronized with AC power for adiabatic dynamic CMOS logic, IEICE ELECTRONICS EXPRESS, 10(20) 20130716, 2013
Cho Seung-Il, Kim Seong-Kweon, Harada Tomochika, Yokoyama Michio
Multiple Authorship (Including Foreigners)
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Design of the ultra low-power synchronizer using ADCL buffer for adiabatic logic, IEICE ELECTRONICS EXPRESS, 9(20) 1576-1585, 2012
Cho Seung-Il, Harada Tomochika, Yokoyama Michio
Multiple Authorship (Including Foreigners)
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Implementation and Evaluation of a CMOS Subthreshold Analog Amplifier using 0.5V Power Supply, ITE Technical Report, 34.29(0) 55-60, 2010
HARADA Tomochika
Single Author
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Active Stress Sensor using SOI-MOSFET, ITE Technical Report, 32.45(0) 119-124, 2008
HARADA Tomochika, Kamiya Yusuke, OKUYAMA Sumio, MATSUSHITA Koichi
Single Author
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New Nonvolatile Analog Memories for Analog Data Processing, Jpn. J. Appl. Phys., 39(4S) 2291-2296, 2000.04
T.Harada, A.Sato, M.Kinjo, Y.Katayama, S.Sato, K.Nakajima
Multiple Authorship (Only Japanese)
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A Content-Addressable Memory Using ”Switched Diffusion Analog Memory with Feedback Circuit”, IEICE Trans. on Fundermentals of Communications and Computer Sciences, 1999.02
T.Harada, S.Sato, K.Nakajima
Multiple Authorship (Including Foreigners)
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A New Floating-Gate Analog Memory and An Analog Content Addressable Memory for Building a New Intelligent System, The Workshop on Synthesis And System Integration of Mixed Technologies (SASIMI98), 256-263, 1998.10
T.Harada,S.Sato, K.Nakajima
Multiple Authorship (Only Japanese)
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A New Analog Content Addressable Memory for Building a New Intelligent System and VLSI Implementation, The 1997 International Symposium on Nonlinear Theory and its Applications (NOLTA), 869-872, 1997.11
T.Harada,Y.Mizugaki, K.Nakajima
Multiple Authorship (Only Japanese)
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A Study on Ultradian Rhythms in Autonomic Nervous System During Sleep, IEICE Proceeding Series, 76 177-180, 2023.09
Okuse Yuna, Suzuki Mitsunori, Takagai Toma, Harada Tomochika, Yokoyama Michio
Multiple Authorship (Only Japanese)
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A Study on the Correlation Between the Subjective Satisfaction of Sleep and Phase of a 90-Minute Periodic Signal, IEICE Proceeding Series, 74 37-39, 2020.11
Cho Seung-Il, Tsuchiya Minami, Tanaka Atsushi, Yasuda Muneki, Harada Tomochika, Yokoyama Michio
Multiple Authorship (Only Japanese)
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Overcoming Chasm Phenomena in Diffusion on Cookpad Community, The 2019 International Symposium on Nonlinear Theory and its Applications (NOLTA), 150-152, 2019.12
A.Tanaka, S.Nagasawa, M.Yasuda, T.Harada, M.Yokoyama
Multiple Authorship (Only Japanese)
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A 0.6V Pulse Width Modulation (PWM) Analog Differential Arithmetic Unit with the PWM to Digital Conversion using the Subthreshold Region, 2019 International Conference on Analog VLSI Circuits (AVIC2019), 213-218, 2019.10
T.Harada, F.Kojima T.Haneishi
Multiple Authorship (Only Japanese)
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An efficient test method for noise robustness of deep neural networks, Nonlinear Theory and Its Applications, IEICE, 10(2) 221-235, 2019
Yasuda Muneki, Sakata Hironori, Cho Seung-Il, Harada Tomochika, Tanaka Atushi, Yokoyama Michio
Multiple Authorship (Only Japanese)
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Detection of human-interaction network using Markov random field, IEICE NONLINEAR THEORY AND ITS APPLICATIONS, 10(4) 485-495, 2019
Yasuda Muneki, Katou Kouta, Mikuni Yoshitaka, Yokoyama Yuuki, Harada Tomochika, Tanaka Atushi, Yokoyama Michio
Multiple Authorship (Only Japanese)
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Community Analysis of Social Networks Based on Network Indexes, The 2018 International Symposium on Nonlinear Theory and its Applications (NOLTA), 34-37, 2018.09
A.Tanaka, S.-I.Cho, M.Yasuda, T.Harada, M.Yokoyama
Multiple Authorship (Including Foreigners)
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Analysis of Social Networks and its Evaluation using Big Data Analyzing Technique, The 2017 International Symposium on Nonlinear Theory and its Applications (NOLTA), 54-57, 2017.12
A.Tanaka, S.-I.Cho, M.Yasuda, T.Harada, M.Yokoyama
Multiple Authorship (Including Foreigners)
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A Fast Test Method for Noise Robustness of Deep Neural Networks, The 2017 International Symposium on Nonlinear Theory and its Applications (NOLTA), 46-49, 2017.12
M.Yasuda, H.Sakata, S.-I.Cho, T.Harada, A.Tanaka, M.Yokoyama
Multiple Authorship (Including Foreigners)
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No Reattaching and 8 Directions Detectable Octagonal MOSFET Stress Sensor, The 2015 International Conference on Solid State Devices and Materials(SSDM), 848-849, 2015.09
Tomochika Harada, Koyo Kaiwa, Yoshihito Yamazaki
Multiple Authorship (Only Japanese)
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A Circuit Implementable 5-Output nMOSFET Shearing Stress Sensor, The Workshop on Synthesis And System Integration of Mixed Information Technologies (SASIMI2015), 146-148, 2015.03
Tomochika Harada
Single Author
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A 0.5V Analog Differential Absolute Distance Circuit using Pulse Width Modulation and Multi-input Comparator in Weak Inversion Region, 2013 International Conference on Analog VLSI Circuits (AVIC2013), 2013.10
Tomochika HARADA
Single Author
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A 0.5V PWM-Driven Analog Differential Amplifier Using Subthreshold Leakage Current, the 17th Workshop on Synthesis and System Integration of Mixed Information Technologies (SASIMI 2012), 2012.03
Tomochika Harada, Ryuuya Otaki
Multiple Authorship (Including Foreigners)
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C-12-12 Fabrication and Evaluation of SOI-MOSFET Strain Sensor Circuit for Uniaxial Stress, Proceedings of the Society Conference of IEICE, 73, 2010
HARADA Tomochika, Watanabe Hiromi, OKUYAMA Sumio, MATSUSHITA Koichi
Single Author
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A Self-Controllable-Voltage-Level (SVL) Circuit for Low-Power,High-Speed CMOS Circuits, Proceedings of the 28th European Solid-State Circuits Conference, 411-414, 2002.09
T.Enomoto, Y.Oka, H.Shikano, T.Harada
Multiple Authorship (Only Japanese)
Grant-in-Aid for Scientific Research
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Grant-in-Aid for Scientific Research(C),2022.04 - 2025.03
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Grant-in-Aid for Scientific Research(C),2021.04 - 2024.03
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Grant-in-Aid for Young Scientists(B),2006.04 - 2008.03
Presentations
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Proceedings of the IEICE General Conference, Domestic presentation, 2015.02, C-12-30 Implementation and evaluation of Octagon MOSFET Stress Sensor, Oral presentation (general)
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Proceedings of the IEICE General Conference, Domestic presentation, 2015.02, C-6-9 Design and Evaluation of OctagonMOSFET Temperature Sensor, Oral presentation (general)
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Proceedings of the Society Conference of IEICE, Domestic presentation, 2014.09, Oral presentation (general)
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Proceedings of the Society Conference of IEICE, Domestic presentation, 2014.09, C-12-3 Implementation and Evaluation of Stability-Driven Pseudo-CMOS Inverter, Oral presentation (general)
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Proceedings of the Society Conference of IEICE, Domestic presentation, 2013.09, A Design of Ultra-Low Power 3-Input 2-Output Analog Comparator, Oral presentation (general)
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Proceedings of the IEICE General Conference, Domestic presentation, 2013.03, A-1-11 A 0.5V PWM Subthreshold Analog Differential Amplifier using Saw tooth Wave Generator, Oral presentation (general)
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Proceedings of the IEICE General Conference, Domestic presentation, 2012.03, C-12-32 An Evaluation of Pseudo-Hall Effect MOSFET Stress Sensor, Oral presentation (general)
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Proceedings of the IEICE General Conference, Domestic presentation, 2011.02, ACS-1-3 An Analog Amplifier using Subthreshold Operation for Ultra-Low Voltage Analog/Digital LSI, Oral presentation (general)
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Proceedings of the IEICE General Conference, Domestic presentation, 2010, AS-1-3 A 0.5V Ultra-Low Voltage Analog Amplifier using Subthreshold Operation, Oral presentation (general)
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ITE Technical Report, Domestic presentation, 2010, Implementation and Evaluation of a CMOS Subthreshold Analog Amplifier using 0.5V Power Supply, Oral presentation (general)
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Proceedings of the IEICE General Conference, Domestic presentation, 2009, A-1-49 A Study of Ultra Low-Voltage Analog Circuit using I/O Circuit with Weak Inversion Circuit, Oral presentation (general)
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Proceedings of the IEICE General Conference, Domestic presentation, 2008.03, A-1-8 Long-term Analog Data Holding Circuit for Sensor System, Oral presentation (general)
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ITE Technical Report, Domestic presentation, 2008, Active Stress Sensor using SOI-MOSFET, Oral presentation (general)
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Proceedings of the IEICE General Conference, Domestic presentation, 2008, A-1-21 Very Low Voltage Analog Circuit with Weak Inversion, Oral presentation (general)
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Proceedings of the IEICE General Conference, Domestic presentation, 2011, ACS-1-3 An Analog Amplifier using Subthreshold Operation for Ultra-Low Voltage Analog/Digital LSI, Oral presentation (general)
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Proceedings of the IEICE General Conference, Domestic presentation, 2011, C-12-60 A 0.5V Triangle Wave Oscillator for Ultra-Low Voltage Digital Amplifier, Oral presentation (general)
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Proceedings of the Society Conference of IEICE, Domestic presentation, 2009.09, A-1-21 On-chip Power Supply Circuit for V_<th> shift compensation in Ultra-Low Voltage Analog Circuits., Oral presentation (general)
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Proceedings of the IEICE General Conference, Domestic presentation, 2007, C-5-11 Fabrication and Evaluation of SOI-nMOSFET Stress Sensor, Oral presentation (general)