Inventor
TSUBATA KEISUKE
JP32 patents
⚠️ This page may combine multiple inventors who share the name “TSUBATA KEISUKE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO INSTR INC
28 patentsUS6246362B1Jun 12, 2001
Portable GPS signal receiving apparatus
SEIKO INSTR INC162 citations99
US5705770AJan 6, 1998
Thermoelectric module and method of controlling a thermoelectric module
SEIKO INSTR INC148 citations99
US6204807B1Mar 20, 2001
Portable GPS positioning apparatus
SEIKO INSTR INC98 citations98
US5926131AJul 20, 1999
GPS receiving apparatus
SEIKO INSTR INC140 citations98
US5905460AMay 18, 1999
Wrist watch type GPS receiver
SEIKO INSTR INC155 citations98
US5697374ADec 16, 1997
Pulse rate monitor
SEIKO INSTR INC117 citations97
US6758816B1Jul 6, 2004
Pulse wave detector
SEIKO INSTR INC55 citations96
US6217339B1Apr 17, 2001
Power source connecting apparatus and electronic appliance having the same power source connecting apparatus
SEIKO INSTR INC71 citations96
US6009375ADec 28, 1999
Portable GPS receiver
SEIKO INSTR INC45 citations93
US6447456B1Sep 10, 2002
Device for detecting pulse waves
SEIKO INSTR INC38 citations92
US6371920B1Apr 16, 2002
Pulse wave detecting device
SEIKO INSTR INC39 citations92
US5974002AOct 26, 1999
Electronic watch using a thermoelement
SEIKO INSTR INC21 citations92
US5517468AMay 14, 1996
Electronic timepiece with thermoelectric element
SEIKO INSTR INC30 citations92
US7195596B2Mar 27, 2007
Pulse wave detecting apparatus and fourier transform process apparatus
SEIKO INSTR INC7 citations74
US6554772B2Apr 29, 2003
Ultrasonic diagnosis device
SEIKO INSTR INC12 citations74
US6129676AOct 10, 2000
Movement rate monitor
SEIKO INSTR INC13 citations73
US7928830B2Apr 19, 2011
Biometric information detecting apparatus
SEIKO INSTR INC2 citations63
US7885432B2Feb 8, 2011
Biometric information measuring apparatus
SEIKO INSTR INC3 citations63
US7805277B2Sep 28, 2010
Step number measuring apparatus
SEIKO INSTR INC2 citations63
US7512517B2Mar 31, 2009
Pedometer
SEIKO INSTR INC6 citations63
US6623435B2Sep 23, 2003
Pulse wave detecting apparatus
SEIKO INSTR INC1 citations52
US10132627B2Nov 20, 2018
Electronic device, measurement data processing method, and measurement data processing program
SEIKO INSTR INC0 citations51
US10228660B2Mar 12, 2019
Electronic apparatus and control method
SEIKO INSTR INC0 citations50
US9546882B2Jan 17, 2017
Electronic apparatus and program
SEIKO INSTR INC1 citations48
US9192843B2Nov 24, 2015
Analysis system, analysis apparatus, electronic device, analysis method, and program
SEIKO INSTR INC1 citations46
US9763627B2Sep 19, 2017
Electronic device, display control method and program
SEIKO INSTR INC0 citations41
US8682420B2Mar 25, 2014
Heartbeat measuring device and heartbeat measuring method
SEIKO INSTR INC0 citations41
US10422809B2Sep 24, 2019
Electronic apparatus and program
SEIKO INSTR INC0 citations40