Inventor · disambiguated record
Seiichi Tanaka
Also filed as: TANAKA SEIICHI
72 granted patents·12 pending applications·1,141 citations·filing 1975–2024
99Inventor score
Top patents by PatentIndex Score
84 records- 0196US6700559B1Liquid crystal display unit having fine color controlSHARP KK·Filed 2000·Granted Mar 2, 2004·101 cites·15 claims
- 0292US5853240AProjector using a small-size optical systemSHARP KK·Filed 1996·Granted Dec 29, 1998·108 cites·5 claims
- 0389US4668939AApparatus for monitoring disturbances in environmental conditionsNITTAN CO LTD·Filed 1986·Granted May 26, 1987·86 cites·6 claims
- 0483US9061751B2Marine propulsion deviceYAMAHA MOTOR CO LTD·Filed 2013·Granted Jun 23, 2015·7 cites·17 claims
- 0581US6818037B2Filter elementHONDA MOTOR CO LTD·Filed 2002·Granted Nov 16, 2004·37 cites·19 claims
- 0681US5927247ADirect injected engineSANSHIN KOGYO KK·Filed 1997·Granted Jul 27, 1999·39 cites·12 claims
- 0781US4505600ATemperature sensorNITTAN CO LTD·Filed 1983·Granted Mar 19, 1985·40 cites·7 claims
- 0880US4658243ASurveillance control apparatus for security systemNITTAN CO LTD·Filed 1984·Granted Apr 14, 1987·40 cites·23 claims
- 0977US2025219116A1Fuel cell systemTOYOTA MOTOR CO LTD·Filed 2024·Application pending·0 cites
- 1076US9967518B2Video conference systemSHARP KK·Filed 2015·Granted May 8, 2018·3 cites·3 claims
- 1176US4525700AFire alarm systemNITTAN CO LTD·Filed 1983·Granted Jun 25, 1985·34 cites·6 claims
- 1275US5333054AApparatus for reducing noise in a video signal by processing a luminance and chrominance componentTOSHIBA KK·Filed 1992·Granted Jul 26, 1994·39 cites·9 claims
- 1373US12489124B2Fuel cell systemTOYOTA MOTOR CO LTD·Filed 2022·Granted Dec 2, 2025·0 cites·5 claims
- 1473US2024304842A1Fuel cell systemTOYOTA MOTOR CO LTD·Filed 2024·Application pending·0 cites
- 1572US6762592B2Excitation controller for synchronous machineMITSUBISHI ELECTRIC CORP·Filed 2002·Granted Jul 13, 2004·20 cites·6 claims
- 1671US6496161B1Head mount displaySHARP KK·Filed 1998·Granted Dec 17, 2002·36 cites·20 claims
- 1771US5311306AMotion detecting circuit for video signal processorTOSHIBA KK·Filed 1992·Granted May 10, 1994·36 cites·13 claims
- 1869US10318118B2Vehicular display apparatusTOYOTA MOTOR CO LTD·Filed 2017·Granted Jun 11, 2019·1 cites·6 claims
- 1969US10222906B2Input device for vehicle and method of controlling input device for vehicleTOYOTA MOTOR CO LTD·Filed 2017·Granted Mar 5, 2019·1 cites·6 claims
- 2068US4967129APower system stabilizerMITSUBISHI ELECTRIC CORP·Filed 1988·Granted Oct 30, 1990·25 cites·4 claims
- 2167US6323618B1Excitation controller and excitation control method for stabilizing voltage in electric power systemMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Nov 27, 2001·24 cites·15 claims
- 2267US4475114AThermal head recording deviceSHARP KK·Filed 1982·Granted Oct 2, 1984·17 cites·7 claims
- 2366US11539062B2Fuel cell systemTOYOTA MOTOR CO LTD·Filed 2021·Granted Dec 27, 2022·0 cites·3 claims
- 2466US8210830B2Valveless micropumpMIYAZAKI KOJI·Filed 2006·Granted Jul 3, 2012·3 cites·7 claims
- 2565US4638304AEnvironmental abnormality detecting apparatusNITTAN CO LTD·Filed 1984·Granted Jan 20, 1987·24 cites·11 claims
- 2664US10432833B2Interchangeable lens cameraSONY CORP·Filed 2014·Granted Oct 1, 2019·1 cites·16 claims
- 2764US4049723AMethod for separation and recovering hydroquinoneMITSUI PETROCHEMICAL IND·Filed 1975·Granted Sep 20, 1977·7 cites·2 claims
- 2863US6329964B1Image display deviceSHARP KK·Filed 1996·Granted Dec 11, 2001·30 cites·29 claims
- 2963US4809083AImage reading and/or recording apparatus with enlarging and reducing functionSHARP KK·Filed 1986·Granted Feb 28, 1989·17 cites·2 claims
- 3061US6926750B2Filter elementTIGERS POLYMER·Filed 2003·Granted Aug 9, 2005·12 cites·18 claims
- 3161US5440222AExcitation control apparatus for synchronous machineMITSUBISHI ELECTRIC CORP·Filed 1992·Granted Aug 8, 1995·23 cites·13 claims
- 3260US11705565B2Fuel cell systemTOYOTA MOTOR CO LTD·Filed 2021·Granted Jul 18, 2023·0 cites·1 claims
- 3360US11569516B2Fuel cell systemTOYOTA MOTOR CO LTD·Filed 2021·Granted Jan 31, 2023·0 cites·2 claims
- 3460US7321213B2Motor controllerASMO CO LTD·Filed 2006·Granted Jan 22, 2008·4 cites·7 claims
- 3560US4955831AIgnition timing control system for outboard engineSANSHIN KOGYO KK·Filed 1989·Granted Sep 11, 1990·11 cites·5 claims
- 3660US4518952ASensor test circuit of an alarm systemNITTAN CO LTD·Filed 1983·Granted May 21, 1985·19 cites·8 claims
- 3759US6265852B1Excitation controller and excitation control method for stabilizing voltage in electric power systemMITSUBISHI ELECTRIC CORP·Filed 1999·Granted Jul 24, 2001·21 cites·10 claims
- 3859US5830412ASensor device, and disaster prevention system and electronic equipment each having sensor device incorporated thereinNITTAN CO LTD·Filed 1996·Granted Nov 3, 1998·28 cites·10 claims
- 3959US4733156APower system stabilizing apparatusMITSUBISHI ELECTRIC CORP·Filed 1986·Granted Mar 22, 1988·16 cites·5 claims
- 4058US5007390AStarting fuel supplying device for internal combustion engineSANSHIN KOGYO KK·Filed 1990·Granted Apr 16, 1991·16 cites·7 claims
- 4157US4620236AImage picture reading deviceSHARP KK·Filed 1985·Granted Oct 28, 1986·14 cites·1 claims
- 4257US4581604AAtmospheric abnormality detection alarm systemNITTAN CO LTD·Filed 1983·Granted Apr 8, 1986·18 cites·6 claims
- 4355US9070223B2Image processing device, image processing method, and image processing programSHIMURA TOMOYA·Filed 2011·Granted Jun 30, 2015·1 cites·6 claims
- 4455US6091827AImage display deviceSHARP KK·Filed 1997·Granted Jul 18, 2000·19 cites·14 claims
- 4555US2019250776A1Vehicular display apparatusTOYOTA MOTOR CO LTD·Filed 2019·Application pending·0 cites
- 4653US11196066B2Fuel cell systemTOYOTA MOTOR CO LTD·Filed 2018·Granted Dec 7, 2021·0 cites·6 claims
- 4753US5078810AMethod of making Ag-SnO contact materials by high pressure internal oxidationTANAKA SEIICHI·Filed 1990·Granted Jan 7, 1992·18 cites·3 claims
- 4852US4575711AAlarm terminal deviceNITTAN CO LTD·Filed 1983·Granted Mar 11, 1986·14 cites·18 claims
- 4952US4385529AFoot-operated parking brake lever assemblyNISSAN MOTOR·Filed 1980·Granted May 31, 1983·14 cites·8 claims
- 5051US6847184B2Excitation controllerMITSUBISHI ELECTRIC CORP·Filed 2003·Granted Jan 25, 2005·7 cites·8 claims
Showing the top 50 of 84 patent records by PatentIndex Score.
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