Inventor · disambiguated record
Koji Sumiya
Also filed as: SUMIYA KOJI
41 granted patents·4 pending applications·1,725 citations·filing 1981–2019
98Inventor score
Top patents by PatentIndex Score
45 records- 0197US5121326ADisplay system in navigation apparatusAISIN AW CO·Filed 1991·Granted Jun 9, 1992·209 cites·7 claims
- 0297US4992947AVehicular navigation apparatus with help functionAISIN AW CO·Filed 1988·Granted Feb 12, 1991·201 cites·10 claims
- 0397US4954959ANavigation systemAISIN AW CO·Filed 1988·Granted Sep 4, 1990·158 cites·17 claims
- 0495US5612881AMap display systemAISIN AW CO·Filed 1994·Granted Mar 18, 1997·157 cites·19 claims
- 0595US5231584ANavigation apparatus with non-volatile memory for return to initial departure pointAISIN AW CO·Filed 1991·Granted Jul 27, 1993·176 cites·8 claims
- 0691US5787383AVehicle navigation apparatus with route modification by setting detour pointAISIN AW CO·Filed 1996·Granted Jul 28, 1998·155 cites·7 claims
- 0791US5115399APosition input system for vehicular navigation apparatusSHINSANGYO KAIHATSU KK·Filed 1990·Granted May 19, 1992·114 cites·5 claims
- 0886US4712635AControl apparatus for four-wheel drive vehicleAISIN WARNER·Filed 1986·Granted Dec 15, 1987·45 cites·3 claims
- 0983US4727967AParking mechanism of a transmissionAISIN SEIKI·Filed 1984·Granted Mar 1, 1988·33 cites·17 claims
- 1082US5103400ADestination guidance method of vehicle navigatingSHINSANGYO KAIHATSU KK·Filed 1991·Granted Apr 7, 1992·57 cites·6 claims
- 1181US4724745AHydraulic servo drum for friction clutchAISIN WARNER·Filed 1985·Granted Feb 16, 1988·25 cites·2 claims
- 1280US4693353ASupport for transmission shaft and hydraulic servo drumAISIN WARNER·Filed 1985·Granted Sep 15, 1987·20 cites·2 claims
- 1377US4943925ANavigation apparatus based on present position calculating systemAISIN AW CO·Filed 1988·Granted Jul 24, 1990·39 cites·11 claims
- 1475US4787494AHydraulic operating unit of friction engaging apparatus for transmissionsAISIN SEIKI·Filed 1987·Granted Nov 29, 1988·22 cites·13 claims
- 1574US4748809AHydraulic servo mechanism of automatic transmission for vehicleAISIN WARNER·Filed 1985·Granted Jun 7, 1988·24 cites·3 claims
- 1674US4722250AAccumulator back pressure control apparatus for automatic transmissionAISIN WARNER·Filed 1986·Granted Feb 2, 1988·24 cites·4 claims
- 1772US7044742B2Emergency reporting apparatusEQUOS RESEARCH KK·Filed 2002·Granted May 16, 2006·27 cites·8 claims
- 1872US4616531AHydraulic and electronic control system for an automatic transmissionAISIN SEIKI·Filed 1984·Granted Oct 14, 1986·24 cites·18 claims
- 1968US4722251AHydraulic circuit for controlling an automatic transmissionAISIN WARNER·Filed 1986·Granted Feb 2, 1988·20 cites·5 claims
- 2065US4714146AFriction coupling element of automatic transmissionAISIN WARNER·Filed 1985·Granted Dec 22, 1987·16 cites·5 claims
- 2163US4839579AResistive steering sensorITO WATARU·Filed 1988·Granted Jun 13, 1989·19 cites·2 claims
- 2261US4727773AHydraulic circuit for controlling automatic transmissionAISIN WARNER·Filed 1986·Granted Mar 1, 1988·16 cites·10 claims
- 2360US12068471B2Predoping method for negative electrode active material, manufacturing method for negative electrode, and manufacturing method for power storage deviceNISSAN MOTOR·Filed 2019·Granted Aug 20, 2024·0 cites·5 claims
- 2459US5598910AClutch mechanismEQUOS RESEARCH KK·Filed 1994·Granted Feb 4, 1997·15 cites·21 claims
- 2558US11456447B2Predoping method for negative electrode active material, manufacturing method for negative electrode, and manufacturing method for power storage deviceNISSAN MOTOR·Filed 2019·Granted Sep 27, 2022·0 cites·6 claims
- 2658US4727774ACut-back pressure control device for multi-speed automatic transmissionAISIN WARNER·Filed 1986·Granted Mar 1, 1988·15 cites·5 claims
- 2757US4753132AHydraulic servo for friction coupling devices of automatic transmissionsAISIN WARNER·Filed 1985·Granted Jun 28, 1988·14 cites·3 claims
- 2856US4697474ALock-up clutch control device for a multi-speed automatic transmissionTOYOTA MOTOR CO LTD·Filed 1986·Granted Oct 6, 1987·14 cites·5 claims
- 2955US4854195AHydraulic control system for vehicular automatic transmission with two accumulator control values to vary back pressure to accumulator to follow the change in engine torqueAISIN WARNER·Filed 1985·Granted Aug 8, 1989·13 cites·1 claims
- 3055US4727772AMultistage automatic shift control apparatusAISIN WARNER·Filed 1986·Granted Mar 1, 1988·13 cites·7 claims
- 3152US4690037AHydraulic servo for friction coupling element of automatic transmissionAISIN WARNER·Filed 1985·Granted Sep 1, 1987·10 cites·5 claims
- 3251US10580592B2Method for manufacturing electrode material, cell, and capacitor; and device for manufacturing electrode materialJSR CORP·Filed 2016·Granted Mar 3, 2020·0 cites·15 claims
- 3350US4890512AHydraulic servo for friction coupling element of automatic transmissionAISIN WARNER·Filed 1988·Granted Jan 2, 1990·9 cites·1 claims
- 3450US4618038AControl apparatus of an automatic transmission with a lock-up clutchAISIN SEIKI·Filed 1984·Granted Oct 21, 1986·12 cites·7 claims
- 3543US2021175546A1Non-Aqueous Electrolyte Secondary BatteryNISSAN MOTOR·Filed 2019·Application pending·0 cites
- 3640US2020219669A1Method for pre-doping negative electrode active material and method for manufacturing electrode for electric device and electric deviceNISSAN MOTOR·Filed 2018·Application pending·0 cites
- 3739US2019198854A1Manufacturing methods for electrode material, electrode, battery, and capacitor, and manufacturing device for electrode materialJSR CORP·Filed 2017·Application pending·0 cites
- 3838US4633739ASystem for controlling automatic transmission having communication control valve meansAISIN SEIKI·Filed 1984·Granted Jan 6, 1987·7 cites·7 claims
- 3936US4462279A1-2 Shift valve for an automatic transmissionAISIN WARNER·Filed 1982·Granted Jul 31, 1984·5 cites·28 claims
- 4036US2011223744A1Method for manufacturing an optical semiconductor device and composition for forming a protective layer of an optical semiconductor deviceJSR CORP·Filed 2010·Application pending·0 cites
- 4135US4807492AMechanism for supporting transmission shafts of automatic transmission apparatusAISIN WARNER·Filed 1985·Granted Feb 28, 1989·5 cites·3 claims
- 4235US4682534AHydraulic servo for friction coupling element of automatic transmissionAISIN WARNER·Filed 1985·Granted Jul 28, 1987·4 cites·2 claims
- 4334US4981442AElectrical harnessNIPPON ACCHAKUTANSHI SEIZO KK·Filed 1989·Granted Jan 1, 1991·5 cites·3 claims
- 4432US4476887AHydraulic governor pressure generatorAISIN WARNER·Filed 1982·Granted Oct 16, 1984·2 cites·2 claims
- 4530US4509391AHydraulic pressure regulating system for a vehicle automatic transmissionAISIN WARNER·Filed 1981·Granted Apr 9, 1985·1 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →