Inventor · disambiguated record
Yoshitaka Iijima
Also filed as: IIJIMA YOSHITAKA
29 granted patents·9 pending applications·426 citations·filing 1981–2019
96Inventor score
Top patents by PatentIndex Score
38 records- 0196US4647069AAutomotive suspension system with vehicle height controlNISSAN MOTOR·Filed 1984·Granted Mar 3, 1987·104 cites·13 claims
- 0285US9241644B2Biological information detector, biological information measuring device, and method for designing reflecting part in biological information detectorSEIKO EPSON CORP·Filed 2014·Granted Jan 26, 2016·3 cites·10 claims
- 0381US4706989ARear independent suspension for automotive vehicleNISSAN MOTOR·Filed 1986·Granted Nov 17, 1987·45 cites·10 claims
- 0480US8814802B2Biological information detector and biological information measuring deviceIIJIMA YOSHITAKA·Filed 2010·Granted Aug 26, 2014·13 cites·9 claims
- 0577US5802016AElectronic watchSEIKO EPSON CORP·Filed 1994·Granted Sep 1, 1998·50 cites·4 claims
- 0676US6476580B1Electronic apparatus and control method for electronic apparatusSEIKO EPSON CORP·Filed 2000·Granted Nov 5, 2002·19 cites·52 claims
- 0775US5563445ASemiconductor deviceSEIKO EPSON CORP·Filed 1994·Granted Oct 8, 1996·54 cites·26 claims
- 0874US10653327B2Biological information detection deviceSEIKO EPSON CORP·Filed 2015·Granted May 19, 2020·2 cites·20 claims
- 0972US9912044B2Antenna built-in portable deviceSEIKO EPSON CORP·Filed 2014·Granted Mar 6, 2018·4 cites·10 claims
- 1071US9282903B2Device for measuring biological informationIIJIMA YOSHITAKA·Filed 2010·Granted Mar 15, 2016·8 cites·12 claims
- 1171US6522603B1Charging device for electronic timepiece, electronic timepiece, and method for controlling charging deviceSEIKO EPSON CORP·Filed 2000·Granted Feb 18, 2003·15 cites·22 claims
- 1270US6630852B2Power-generation detection circuit for use in an electronic device and power-generation detection method and power consumption control method for use in connection therewithSEIKO EPSON CORP·Filed 2001·Granted Oct 7, 2003·13 cites·2 claims
- 1369US10037008B2Electronic timepieceSEIKO EPSON CORP·Filed 2017·Granted Jul 31, 2018·1 cites·19 claims
- 1467US8823944B2Biological information detector, biological information measuring device, and method for designing reflecting part in biological information detectorYAMASHITA HIDETO·Filed 2011·Granted Sep 2, 2014·3 cites·7 claims
- 1567US8740791B2Biological information detector and biological information measurement deviceSATO SHIGEMI·Filed 2010·Granted Jun 3, 2014·3 cites·15 claims
- 1665US6800983B1Magnetic circuit structure, and power-generating device and electronic device using the sameSEIKO EPSON CORP·Filed 2000·Granted Oct 5, 2004·13 cites·28 claims
- 1764US4410201ARigid axle rear suspension for an automotive vehicle or the likeNISSAN MOTOR·Filed 1981·Granted Oct 18, 1983·16 cites·14 claims
- 1863US9913582B2Biological information detector, biological information measuring device, and method for designing reflecting part in biological information detectorSEIKO EPSON CORP·Filed 2015·Granted Mar 13, 2018·0 cites·9 claims
- 1962US4531426ASupporting structure for a steering apparatus of the rack and pinion typeNISSAN MOTOR·Filed 1983·Granted Jul 30, 1985·16 cites·12 claims
- 2061US6452358B1Electronic apparatus and control method for electronic apparatusSEIKO EPSON CORP·Filed 2000·Granted Sep 17, 2002·7 cites·29 claims
- 2159US10754303B2Electronic timepieceSEIKO EPSON CORP·Filed 2019·Granted Aug 25, 2020·0 cites·11 claims
- 2258US6476579B1Pulse motor driving device, pulse motor driving method, timepiece device, and timepiece device control methodSEIKO EPSON CORP·Filed 1999·Granted Nov 5, 2002·22 cites·71 claims
- 2357US9179848B2Biological information detector, biological information measuring device, and method for designing reflecting part in biological information detectorSEIKO EPSON CORP·Filed 2014·Granted Nov 10, 2015·0 cites·4 claims
- 2455US9989932B2Electronic timepieceSEIKO EPSON CORP·Filed 2017·Granted Jun 5, 2018·0 cites·6 claims
- 2555US2015038807A1Biological information detector and biological information measuring deviceSEIKO EPSON CORP·Filed 2014·Application pending·0 cites
- 2654US11226596B2Electronic timepieceSEIKO EPSON CORP·Filed 2018·Granted Jan 18, 2022·0 cites·12 claims
- 2754US2015005593A1Biological information detector and biological information measuring deviceSEIKO EPSON CORP·Filed 2014·Application pending·0 cites
- 2854US2014243689A1Biological information detector and biological information measuring deviceSEIKO EPSON CORP·Filed 2014·Application pending·0 cites
- 2953US4546848ADifferential gear housing supporting apparatusNISSAN MOTOR·Filed 1983·Granted Oct 15, 1985·15 cites·8 claims
- 3053US2014358013A1Biological information detector and biological information measuring deviceSEIKO EPSON CORP·Filed 2014·Application pending·0 cites
- 3153US2014228691A1Biological information detector and biological information measuring deviceSEIKO EPSON CORP·Filed 2014·Application pending·0 cites
- 3253US2014228690A1Biological information detector and biological information measurement deviceSEIKO EPSON CORP·Filed 2014·Application pending·0 cites
- 3351US2015190058A1Biological information detector and biological information measuring deviceSEIKO EPSON CORP·Filed 2015·Application pending·0 cites
- 3448US2011178414A1Giological information detector and biological information measuring deviceSEIKO EPSON CORP·Filed 2010·Application pending·0 cites
- 3547US8758239B2Biological information detector and biological information measuring deviceYAMASHITA HIDETO·Filed 2010·Granted Jun 24, 2014·0 cites·14 claims
- 3647US2011196242A1Biological information detector and biological information measuring deviceSEIKO EPSON CORP·Filed 2011·Application pending·0 cites
- 3744US8915857B2Method for manufacturing optical device, optical device, and biological information detectorIIJIMA YOSHITAKA·Filed 2011·Granted Dec 23, 2014·0 cites·5 claims
- 3839US10241474B2Electronic watchSEIKO EPSON CORP·Filed 2017·Granted Mar 26, 2019·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →