Inventor · disambiguated record
Masaharu Hayakawa
Also filed as: HAYAKAWA MASAHARU
23 granted patents·2 pending applications·274 citations·filing 1981–2006
96Inventor score
Top patents by PatentIndex Score
25 records- 0192US7036359B2Failure diagnostic system for fuel vapor processing apparatusAISAN IND·Filed 2004·Granted May 2, 2006·37 cites·8 claims
- 0291US7363803B2Failure diagnostic system for fuel vapor processing apparatusAISAN IND·Filed 2006·Granted Apr 29, 2008·28 cites·9 claims
- 0386US7201151B2Fuel tank unitAISAN IND·Filed 2005·Granted Apr 10, 2007·15 cites·11 claims
- 0479US6568356B1Cooling water flow control system for internal combustion engineAISAN IND·Filed 2002·Granted May 27, 2003·24 cites·3 claims
- 0574US5574516AColor image display deviceMITSUBISHI ELECTRIC CORP·Filed 1993·Granted Nov 12, 1996·14 cites·48 claims
- 0669US5501884ADiamino compounds and their production method and liquid crystal alignment layers using the compoundsCHISSO CORP·Filed 1994·Granted Mar 26, 1996·9 cites·7 claims
- 0764US4393012ATemperature-responsive control device for carburetorTOYOTA MOTOR CO LTD·Filed 1981·Granted Jul 12, 1983·11 cites·5 claims
- 0862US4476067ADevice for controlling the operation of a carburetorTOYOTA MOTOR CO LTD·Filed 1982·Granted Oct 9, 1984·11 cites·20 claims
- 0961US5481507AElectronic timekeeping device reduced adjustment data storage requirementMITSUBISHI ELECTRIC CORP·Filed 1994·Granted Jan 2, 1996·25 cites·17 claims
- 1057US4686584AVideo signal reproduction apparatus and method having noise reduction for fast video reproductionMITSUBISHI ELECTRIC CORP·Filed 1984·Granted Aug 11, 1987·9 cites·7 claims
- 1154US5807961APolyamic acid, polyimide film and liquid crystal aligning film and liquid crystal display element using the formersCHISSO CORP·Filed 1996·Granted Sep 15, 1998·14 cites·16 claims
- 1254US5032937AMagnetic tape recording and/or reproducing apparatus having automatic mode changing capabilitiesMITSUBISHI ELECTRIC CORP·Filed 1989·Granted Jul 16, 1991·11 cites·19 claims
- 1348US5648825APhase inversion control pulse generating circuitMITSUBISHI ELECTRIC CORP·Filed 1995·Granted Jul 15, 1997·3 cites·10 claims
- 1447US5663440ADiamino compounds and methods for preparing themCHISSO CORP·Filed 1995·Granted Sep 2, 1997·4 cites·18 claims
- 1547US5596348AInput apparatusMITSUBISHI ELECTRIC CORP·Filed 1995·Granted Jan 21, 1997·13 cites·43 claims
- 1647US2007041825A1Fuel pumpAISAN IND·Filed 2006·Application pending·0 cites
- 1746US5065230AVideo signal processor for simultaneously reproducing a plurality of video information on a single monitor picture tubeMITSUBISHI ELECTRIC CORP·Filed 1989·Granted Nov 12, 1991·9 cites·12 claims
- 1845US4890169AMagnetic tape recording and/or reproducing apparatus with slow motion effectMITSUBISHI ELECTRIC CORP·Filed 1987·Granted Dec 26, 1989·6 cites·16 claims
- 1944US4644415AMagnetic video recording and reproducing apparatusMITSUBISHI ELECTRIC CORP·Filed 1985·Granted Feb 17, 1987·7 cites·2 claims
- 2042US4638394ATape amount displaying apparatusMITSUBISHI ELECTRIC CORP·Filed 1983·Granted Jan 20, 1987·4 cites·6 claims
- 2141US6046782AColor image display apparatus using rotary color filters and field memoriesMITSUBISHI ELECTRIC CORP·Filed 1993·Granted Apr 4, 2000·7 cites·8 claims
- 2240US2005254936A1Fuel pumpAISAN IND·Filed 2005·Application pending·0 cites
- 2335US5447759ALiquid crystal alignment film and liquid crystal display elementCHISSO CORP·Filed 1994·Granted Sep 5, 1995·5 cites·10 claims
- 2434US5382688ADiamino compounds and their production methodCHISSO CORP·Filed 1993·Granted Jan 17, 1995·5 cites·2 claims
- 2525US5887109ARecording apparatus capable of selecting a CATV broadcast without operating a CATV decorder and method thereforMITSUBISHI ELECTRIC CORP·Filed 1997·Granted Mar 23, 1999·3 cites·31 claims
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