Inventor · disambiguated record
Keiichi Tokuyama
Also filed as: TOKUYAMA KEIICHI
11 granted patents·274 citations·filing 1980–1990
92Inventor score
Files withHITACHI LTD11
Top patents by PatentIndex Score
11 records- 0191US4398260ASkid control methodHITACHI LTD·Filed 1980·Granted Aug 9, 1983·32 cites·11 claims
- 0282US4564905ATrip computer for vehiclesHITACHI LTD·Filed 1983·Granted Jan 14, 1986·34 cites·3 claims
- 0378US4752771AElectronic instrument panelHITACHI LTD·Filed 1985·Granted Jun 21, 1988·42 cites·5 claims
- 0478US4700303AHeight adjusting apparatus for motor vehicleHITACHI LTD·Filed 1985·Granted Oct 13, 1987·42 cites·6 claims
- 0576US4553196APower source system for vehicular electronic deviceHITACHI LTD·Filed 1982·Granted Nov 12, 1985·24 cites·8 claims
- 0670US4649381ALiquid crystal panel display deviceHITACHI LTD·Filed 1984·Granted Mar 10, 1987·29 cites·4 claims
- 0769US4635034ADisplay apparatus for vehicleHITACHI LTD·Filed 1983·Granted Jan 6, 1987·18 cites·4 claims
- 0860US4630840AVehicle height adjusting deviceHITACHI LTD·Filed 1985·Granted Dec 23, 1986·26 cites·3 claims
- 0953US4736198AMulti-color liquid crystal display systemHITACHI LTD·Filed 1985·Granted Apr 5, 1988·12 cites·18 claims
- 1040US5031479AAutomatic gear change control apparatus for automobile and method of controlling sameHITACHI LTD·Filed 1990·Granted Jul 16, 1991·14 cites·2 claims
- 1128US4708440ALiquid crystal display deviceHITACHI LTD·Filed 1986·Granted Nov 24, 1987·1 cites·5 claims
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