Inventor · disambiguated record
Keisuke Tsubata
Also filed as: TSUBATA KEISUKE
32 granted patents·20 pending applications·1,181 citations·filing 1994–2014
97Inventor score
Top patents by PatentIndex Score
52 records- 0193US5905460AWrist watch type GPS receiverSEIKO INSTR INC·Filed 1997·Granted May 18, 1999·155 cites·17 claims
- 0289US6246362B1Portable GPS signal receiving apparatusSEIKO INSTR INC·Filed 1998·Granted Jun 12, 2001·162 cites·20 claims
- 0389US5705770AThermoelectric module and method of controlling a thermoelectric moduleSEIKO INSTR INC·Filed 1995·Granted Jan 6, 1998·148 cites·21 claims
- 0488US8586938B2Ultraviolet ray measuring apparatus and electronic wristwatch equipped with ultraviolet ray measuring functionTSUBATA KEISUKE·Filed 2011·Granted Nov 19, 2013·14 cites·9 claims
- 0587US5926131AGPS receiving apparatusSEIKO INSTR INC·Filed 1997·Granted Jul 20, 1999·140 cites·20 claims
- 0681US6204807B1Portable GPS positioning apparatusSEIKO INSTR INC·Filed 1998·Granted Mar 20, 2001·98 cites·9 claims
- 0775US6217339B1Power source connecting apparatus and electronic appliance having the same power source connecting apparatusSEIKO INSTR INC·Filed 1999·Granted Apr 17, 2001·71 cites·16 claims
- 0871US6758816B1Pulse wave detectorSEIKO INSTR INC·Filed 2000·Granted Jul 6, 2004·55 cites·21 claims
- 0971US6554772B2Ultrasonic diagnosis deviceSEIKO INSTR INC·Filed 2001·Granted Apr 29, 2003·12 cites·2 claims
- 1070US7512517B2PedometerSEIKO INSTR INC·Filed 2007·Granted Mar 31, 2009·6 cites·10 claims
- 1168US5697374APulse rate monitorSEIKO INSTR INC·Filed 1994·Granted Dec 16, 1997·117 cites·21 claims
- 1267US6447456B1Device for detecting pulse wavesSEIKO INSTR INC·Filed 2000·Granted Sep 10, 2002·38 cites·26 claims
- 1366US7885432B2Biometric information measuring apparatusSEIKO INSTR INC·Filed 2006·Granted Feb 8, 2011·3 cites·19 claims
- 1466US6371920B1Pulse wave detecting deviceSEIKO INSTR INC·Filed 2000·Granted Apr 16, 2002·39 cites·18 claims
- 1562US7928830B2Biometric information detecting apparatusSEIKO INSTR INC·Filed 2005·Granted Apr 19, 2011·2 cites·20 claims
- 1662US6009375APortable GPS receiverSEIKO INSTR INC·Filed 1997·Granted Dec 28, 1999·45 cites·5 claims
- 1760US10228660B2Electronic apparatus and control methodSEIKO INSTR INC·Filed 2014·Granted Mar 12, 2019·0 cites·15 claims
- 1859US7805277B2Step number measuring apparatusSEIKO INSTR INC·Filed 2007·Granted Sep 28, 2010·2 cites·5 claims
- 1956US10132627B2Electronic device, measurement data processing method, and measurement data processing programSEIKO INSTR INC·Filed 2014·Granted Nov 20, 2018·0 cites·16 claims
- 2055US9546882B2Electronic apparatus and programSEIKO INSTR INC·Filed 2013·Granted Jan 17, 2017·1 cites·15 claims
- 2153US9192843B2Analysis system, analysis apparatus, electronic device, analysis method, and programSEIKO INSTR INC·Filed 2013·Granted Nov 24, 2015·1 cites·19 claims
- 2253US7195596B2Pulse wave detecting apparatus and fourier transform process apparatusSEIKO INSTR INC·Filed 2003·Granted Mar 27, 2007·7 cites·4 claims
- 2353US5517468AElectronic timepiece with thermoelectric elementSEIKO INSTR INC·Filed 1995·Granted May 14, 1996·30 cites·6 claims
- 2451US2015039263A1Electronic apparatus and programSEIKO INSTR INC·Filed 2014·Application pending·0 cites
- 2548US6623435B2Pulse wave detecting apparatusSEIKO INSTR INC·Filed 2001·Granted Sep 23, 2003·1 cites·7 claims
- 2648US2015168438A1Electronic device, data processing method and data processing programSEIKO INSTR INC·Filed 2014·Application pending·0 cites
- 2748US2015168141A1Electronic device, measurement data processing method, and measurement data processing programSEIKO INSTR INC·Filed 2014·Application pending·0 cites
- 2847US10422809B2Electronic apparatus and programSEIKO INSTR INC·Filed 2013·Granted Sep 24, 2019·0 cites·11 claims
- 2947US5974002AElectronic watch using a thermoelementSEIKO INSTR INC·Filed 1997·Granted Oct 26, 1999·21 cites·32 claims
- 3046US9763627B2Electronic device, display control method and programSEIKO INSTR INC·Filed 2013·Granted Sep 19, 2017·0 cites·19 claims
- 3145US8982675B2Power supply unit and electronic timepieceKATO KAZUO·Filed 2011·Granted Mar 17, 2015·0 cites·19 claims
- 3245US8682420B2Heartbeat measuring device and heartbeat measuring methodSEIKO INSTR INC·Filed 2012·Granted Mar 25, 2014·0 cites·14 claims
- 3344US8131500B2PedometerIHASHI TOMOHIRO·Filed 2008·Granted Mar 6, 2012·0 cites·12 claims
- 3444US2013131520A1Biological information measuring apparatus and biological information measuring methodSEIKO INSTR INC·Filed 2012·Application pending·0 cites
- 3544US2014191944A1Living body information detection apparatus and living body information detection programSEIKO INSTR INC·Filed 2013·Application pending·0 cites
- 3644US2014067314A1Electronic apparatus and programSEIKO INSTR INC·Filed 2013·Application pending·0 cites
- 3744US2009254304A1Pedometer for runningTSUBATA KEISUKE·Filed 2009·Application pending·0 cites
- 3843US9076371B2Display device and electronic apparatus using display deviceKATO KAZUO·Filed 2011·Granted Jul 7, 2015·0 cites·12 claims
- 3943US2015342476A1Electronic apparatus and programSEIKO INSTR INC·Filed 2013·Application pending·0 cites
- 4043US2008275669A1PedometerIHASHI TOMOHIRO·Filed 2008·Application pending·0 cites
- 4143US2006148619A1Exercise strength evaluation deviceTSUBATA KEISUKE·Filed 2006·Application pending·0 cites
- 4241US2008059113A1PedometerTSUBATA KEISUKE·Filed 2007·Application pending·0 cites
- 4341US2008056429A1PedometerTSUBATA KEISUKE·Filed 2007·Application pending·0 cites
- 4440US2003153824A1Biological information sensing deviceFiled 2003·Application pending·0 cites
- 4540US2003144596A1Strap structure and a biological information sensing device using the sameFiled 2003·Application pending·0 cites
- 4640US2003144586A1Biological information sensing deviceFiled 2003·Application pending·0 cites
- 4739US2012188851A1Electronic apparatus, timepiece device, pedometer, and programTSUBATA KEISUKE·Filed 2012·Application pending·0 cites
- 4839US2012188856A1Electronic apparatus, timepiece device and programTSUBATA KEISUKE·Filed 2012·Application pending·0 cites
- 4938US2011238364A1Electronic apparatus and programSAKAI SATOSHI·Filed 2011·Application pending·0 cites
- 5036US2011224925A1AltimeterTSUBATA KEISUKE·Filed 2011·Application pending·0 cites
Showing the top 50 of 52 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Keisuke Tsubata files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →