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IEICE Trans

Toshitaka YAMAKAWA

Output Power Characterization of Flexible Thermoelectric Power Generators
Daiki KANSAKU Nobuhiro KAWASE Naoki FUJIWARA Faizan KHAN Arockiyasamy Periyanayaga KRISTY Kuruvankatil Dharmajan NISHA Toshitaka YAMAKAWA Kazushi IKEDA Yasuhiro HAYAKAWA Kenji MURAKAMI Masaru SHIMOMURA Hiroya IKEDA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2022/10/01
Vol. E105-C  No. 10  pp. 639-642
Type of Manuscript:  BRIEF PAPER
Category: 
Keyword: 
flexible thermoelectric power generator, flexible material, Seebeck coefficient, conductive fabric, 
 Summary | Full Text:PDF
Design and Experiments of a Novel Low-Ripple Cockcroft-Walton AC-to-DC Converter for a Coil-Coupled Passive RFID Tag
Toshitaka YAMAKAWA Takahiro INOUE Akio TSUNEDA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/02/01
Vol. E91-A  No. 2  pp. 513-520
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
RFID, wireless power feeding, AC-DC converter, diode charge pump, 
 Summary | Full Text:PDF
Design of a CMOS Heartbeat Spike-Pulse Detection Circuit Integrable in an RFID Tag for Heart Rate Signal Sensing
Toshitaka YAMAKAWA Takahiro INOUE Masayuki HARADA Akio TSUNEDA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/06/01
Vol. E90-C  No. 6  pp. 1336-1343
Type of Manuscript:  PAPER
Category: Electronic Circuits
Keyword: 
RFID, CMOS, heartbeat, switched capacitor, 
 Summary | Full Text:PDF
A Realization of a Common-Source FG-MOSFET with a Simple Electronic Vth Adjustment Almost Irrelevant to the Amount of the Pre-stored Charge on the Floating Gate
Takahiro INOUE Eizo ICHIHARA Toshitaka YAMAKAWA Akio TSUNEDA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/03/01
Vol. E87-A  No. 3  pp. 753-756
Type of Manuscript:  LETTER
Category: Analog Signal Processing
Keyword: 
floating-gate MOSFET, threshold voltage, Vth adjustment, 
 Summary | Full Text:PDF