Inventor
KOSUDA TSUKASA
JP19 patents
⚠️ This page may combine multiple inventors who share the name “KOSUDA TSUKASA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
16 patentsUS6198951B1Mar 6, 2001
Reflection photodetector and biological information measuring instrument
SEIKO EPSON CORP360 citations99
US6036653AMar 14, 2000
Pulsimeter
SEIKO EPSON CORP111 citations98
US6316909B1Nov 13, 2001
Electronic device, control method for electronic device, recharge-rate estimating method for secondary battery, and charging control method for secondary battery
SEIKO EPSON CORP108 citations97
US6313612B1Nov 6, 2001
Electronic device, electronic device to be charged and method of controlling electronic devices
SEIKO EPSON CORP54 citations96
US6155983ADec 5, 2000
Pulse wave detecting device and pulse measurer
SEIKO EPSON CORP60 citations96
US7265520B2Sep 4, 2007
Electronic apparatus and method of controlling the electronic apparatus
SEIKO EPSON CORP22 citations92
US7144375B2Dec 5, 2006
Pulsimeter, control method for pulsimeter, wristwatch information device, control program, and recording medium
SEIKO EPSON CORP23 citations92
US6469472B1Oct 22, 2002
Electronic device and control method for the same
SEIKO EPSON CORP28 citations92
US6099478AAug 8, 2000
Pulse counter and pulse display method
SEIKO EPSON CORP52 citations92
US5854758ADec 29, 1998
Fast fourier transformation computing unit and a fast fourier transformation computation device
SEIKO EPSON CORP20 citations92
US5759156AJun 2, 1998
Period and frequency measurement device with correction device and method thereof
SEIKO EPSON CORP26 citations92
US7065668B2Jun 20, 2006
Apparatus for selecting and outputting either a first clock signal or a second clock signal
SEIKO EPSON CORP16 citations84
US6888355B2May 3, 2005
Electronic apparatus having battery power source and control method for the electronic apparatus
SEIKO EPSON CORP12 citations84
US9049999B2Jun 9, 2015
Biometric information processing device, biometric information processing method, and control program
SEIKO EPSON CORP4 citations72
US11107852B2Aug 31, 2021
Light receiving element having light blocking section covering at least part of amplifier circuit, light receiving module , photoelectric sensor and biological information measurement
SEIKO EPSON CORP0 citations62
US8781569B2Jul 15, 2014
Biometric information processing device, biometric information processing method, and control program
SEIKO EPSON CORP0 citations51