Inventor · disambiguated record
Shoji Yokoyama
Also filed as: YOKOYAMA SHOJI
68 granted patents·12 pending applications·4,171 citations·filing 1980–2024
99Inventor score
Top patents by PatentIndex Score
80 records- 0197US6278941B1Route guide systemEQUOS RESEARCH KK·Filed 2000·Granted Aug 21, 2001·281 cites·10 claims
- 0297US5121326ADisplay system in navigation apparatusAISIN AW CO·Filed 1991·Granted Jun 9, 1992·209 cites·7 claims
- 0397US4992947AVehicular navigation apparatus with help functionAISIN AW CO·Filed 1988·Granted Feb 12, 1991·201 cites·10 claims
- 0497US4954959ANavigation systemAISIN AW CO·Filed 1988·Granted Sep 4, 1990·158 cites·17 claims
- 0597US4939662ANavigation apparatusAISIN AW CO·Filed 1988·Granted Jul 3, 1990·167 cites·16 claims
- 0696US6166826APrinting apparatus, printing method, and printing systemSEIKO EPSON CORP·Filed 1998·Granted Dec 26, 2000·244 cites·36 claims
- 0795US6263276B1Communicatory navigation systemEQUOS RESEARCH KK·Filed 2000·Granted Jul 17, 2001·130 cites·6 claims
- 0895US5559511AVehicle route guidance apparatus for re-searching for a new route when vehicle goes out of routeAISIN AW CO·Filed 1993·Granted Sep 24, 1996·124 cites·11 claims
- 0995US5231584ANavigation apparatus with non-volatile memory for return to initial departure pointAISIN AW CO·Filed 1991·Granted Jul 27, 1993·176 cites·8 claims
- 1095US5043902AVehicular navigation apparatusAISIN AW CO·Filed 1988·Granted Aug 27, 1991·130 cites·11 claims
- 1195US4937751ANavigation apparatusAISIN AW CO·Filed 1988·Granted Jun 26, 1990·108 cites·6 claims
- 1294US5410486ANavigation system for guiding vehicle by voiceTOYOTA MOTOR CO LTD·Filed 1993·Granted Apr 25, 1995·134 cites·9 claims
- 1394US5168452ARoute exploration method of navigation apparatusAISIN AW CO·Filed 1991·Granted Dec 1, 1992·172 cites·4 claims
- 1493US5544061ANavigation system with destination set by longitude and latitude coordinate pointsAISIN AW CO·Filed 1994·Granted Aug 6, 1996·114 cites·7 claims
- 1593US5452212ANavigation system for vehicleAISIN AW CO·Filed 1993·Granted Sep 19, 1995·132 cites·7 claims
- 1692US8994482B2Electromagnetic contactorYOKOYAMA SHOJI·Filed 2012·Granted Mar 31, 2015·15 cites·1 claims
- 1792US5067082ANavigation apparatusAISIN AW CO·Filed 1988·Granted Nov 19, 1991·88 cites·6 claims
- 1891US6202024B1Communicatory navigation systemEQUOS RESEARCH KK·Filed 1999·Granted Mar 13, 2001·136 cites·6 claims
- 1991US5115399APosition input system for vehicular navigation apparatusSHINSANGYO KAIHATSU KK·Filed 1990·Granted May 19, 1992·114 cites·5 claims
- 2090US10583510B2Heating and cooling deviceFUJI ELECTRIC CO LTD·Filed 2017·Granted Mar 10, 2020·7 cites·20 claims
- 2190US5343399AVehicle navigation systemAISIN AW CO·Filed 1993·Granted Aug 30, 1994·80 cites·4 claims
- 2290US4882696ANavigation apparatusAISIN AW CO·Filed 1988·Granted Nov 21, 1989·66 cites·5 claims
- 2388US5475599AVehicle navigation systemAISIN AW CO·Filed 1994·Granted Dec 12, 1995·69 cites·10 claims
- 2488US4534243AHydraulic control system for a V-belt transmissionAISIN WARNER·Filed 1983·Granted Aug 13, 1985·40 cites·3 claims
- 2588US4470117AControl system for a continuously variable transmission for vehiclesAISIN WARNER·Filed 1981·Granted Sep 4, 1984·39 cites·4 claims
- 2687US5917435ANavigation apparatus for vehiclesAISIN AW CO·Filed 1996·Granted Jun 29, 1999·92 cites·18 claims
- 2787US5452217ANavigation system for guiding vehicle orallyAISIN AW CO·Filed 1993·Granted Sep 19, 1995·89 cites·10 claims
- 2887US4547178AControl system for an automatic transmission for a vehicleFUJI MEDICAL INSTR MFG CO LTD·Filed 1983·Granted Oct 15, 1985·37 cites·7 claims
- 2984US4937752AAn apparatus for correcting distance error in a navigation systemAISIN AW CO·Filed 1988·Granted Jun 26, 1990·50 cites·7 claims
- 3083US2025050286A1Air diffuserSANKI ENG CO LTD·Filed 2024·Application pending·0 cites
- 3182US5654908AElectronic diary with navigation destination outputEQUOS RESEARCH KK·Filed 1995·Granted Aug 5, 1997·158 cites·17 claims
- 3282US5103400ADestination guidance method of vehicle navigatingSHINSANGYO KAIHATSU KK·Filed 1991·Granted Apr 7, 1992·57 cites·6 claims
- 3382US4476746AHydraulic regulator for a V-belt type continuously variable transmission for vehiclesAISIN WARNER·Filed 1981·Granted Oct 16, 1984·31 cites·5 claims
- 3479US5506578AVolume control of aural guidance of vehicle route guidance apparatusTOYOTA MOTOR CO LTD·Filed 1993·Granted Apr 9, 1996·41 cites·12 claims
- 3578US4664235ALock-up clutch controller for the fluid coupling of an automotive automatic transmissionAISIN WARNER·Filed 1986·Granted May 12, 1987·27 cites·15 claims
- 3675US4459879ATorque ratio control device for a V-belt type continuously variable transmission for vehiclesMIKI NOBUAKI·Filed 1981·Granted Jul 17, 1984·27 cites·6 claims
- 3775US4445528AElectromagnetic valve and method for assemblyAISIN WARNER·Filed 1981·Granted May 1, 1984·20 cites·16 claims
- 3873US9638232B2Structure for attaching component to plate-shaped memberHONDA ACCESS KK·Filed 2014·Granted May 2, 2017·3 cites·6 claims
- 3973US5864771ASafe driving support systemEQUOS RESEARCH KK·Filed 1996·Granted Jan 26, 1999·49 cites·14 claims
- 4069US11098520B2Door opening/ closing device for vehicleHONDA ACCESS KK·Filed 2018·Granted Aug 24, 2021·3 cites·3 claims
- 4167US5614898AGuide systemAISIN AW CO·Filed 1995·Granted Mar 25, 1997·52 cites·12 claims
- 4265US10738527B2Vehicle door opening/closing deviceHONDA ACCESS KK·Filed 2018·Granted Aug 11, 2020·2 cites·2 claims
- 4365US5444629AVehicle-guiding device for recognizing curved road and leading vehicle along curved road aurallyAISIN AW CO·Filed 1993·Granted Aug 22, 1995·23 cites·12 claims
- 4465US4462277AHydraulic regulator for a V-belt type continuously variable transmission for vehiclesMIKI NOBUAKI·Filed 1981·Granted Jul 31, 1984·19 cites·5 claims
- 4564US5635925AVolume control of aural guidance of vehicle route guidance apparatusTOYOTA MOTOR CO LTD·Filed 1996·Granted Jun 3, 1997·30 cites·9 claims
- 4663US11180946B2Door opening/ closing device for vehicleHONDA ACCESS KK·Filed 2018·Granted Nov 23, 2021·2 cites·4 claims
- 4763US5760713ANavigation system of a vehicleKABUSHIKI EQUOS RESEARCH·Filed 1996·Granted Jun 2, 1998·38 cites·2 claims
- 4863US4839579AResistive steering sensorITO WATARU·Filed 1988·Granted Jun 13, 1989·19 cites·2 claims
- 4963US2022347636A1Air diffuserSANKI ENG CO LTD·Filed 2020·Application pending·0 cites
- 5061US5850215ADisplay apparatus for a carAISIN AW CO·Filed 1995·Granted Dec 15, 1998·29 cites·23 claims
Showing the top 50 of 80 patent records by PatentIndex Score.
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