Inventor · disambiguated record
Kenji Tabuchi
Also filed as: TABUCHI KENJI
42 granted patents·6 pending applications·656 citations·filing 1978–2025
98Inventor score
Top patents by PatentIndex Score
48 records- 0197US5992391AElectromagnetic fuel injector and control method thereofHITACHI LTD·Filed 1998·Granted Nov 30, 1999·78 cites·22 claims
- 0293US6550458B2Electromagnetic fuel injection apparatus, an internal combustion engine having an electromagnetic fuel injection apparatus, and a drive circuit of an electromagnetic fuel injection apparatusHITACHI LTD·Filed 2001·Granted Apr 22, 2003·47 cites·8 claims
- 0390US4338880AMagnetic brush development apparatus for use in electrophotographic copying machineMINOLTA CAMERA KK·Filed 1979·Granted Jul 13, 1982·30 cites·15 claims
- 0486US7102388B2Interface device and information processing systemHITACHI LTD·Filed 2003·Granted Sep 5, 2006·30 cites·8 claims
- 0584US4432634AElectrophotographic copying apparatusMINOLTA CAMERA KK·Filed 1981·Granted Feb 21, 1984·26 cites·4 claims
- 0679US4284702AElectrographic developing methodMINOLTA CAMERA KK·Filed 1979·Granted Aug 18, 1981·18 cites·13 claims
- 0779US4235194ADry process developing apparatus for use in electrophotographic copying machineMINOLTA CAMERA KK·Filed 1979·Granted Nov 25, 1980·33 cites·4 claims
- 0878US4960092AEngine control systemHITACHI LTD·Filed 1989·Granted Oct 2, 1990·17 cites·8 claims
- 0976US4748566AEngine control apparatusHITACHI LTD·Filed 1985·Granted May 31, 1988·21 cites·10 claims
- 1075US6129073AElectromagnetic fuel injector and control method thereofHITACHI LTD·Filed 1999·Granted Oct 10, 2000·21 cites·9 claims
- 1175US4514480AMethod of controlling toner concentration for electrophotographic copying apparatusMINOLTA CAMERA KK·Filed 1983·Granted Apr 30, 1985·17 cites·8 claims
- 1275US4345014AMagnetic brush developing method for use in electrography employing dual-component developing materialMINOLTA CAMERA KK·Filed 1980·Granted Aug 17, 1982·18 cites·3 claims
- 1374US6600295B2Electric power converter with continuous stable noise reductionHITACHI LTD·Filed 2001·Granted Jul 29, 2003·27 cites·26 claims
- 1472US6634338B1Fuel injection apparatus, fuel injection method and internal combustion engineHITACHI LTD·Filed 2000·Granted Oct 21, 2003·18 cites·12 claims
- 1571US6977522B1Interface device and information processing systemHITACHI LTD·Filed 1999·Granted Dec 20, 2005·30 cites·10 claims
- 1670US4277003ADeveloping material supplying deviceMINOLTA CAMERA KK·Filed 1979·Granted Jul 7, 1981·17 cites·7 claims
- 1769US6431155B1Electromagnetic fuel injector and control method thereofHITACHI LTD·Filed 2000·Granted Aug 13, 2002·11 cites·12 claims
- 1864US5060614AIgnition timing control system for an engine having backup function for failureHITACHI LTD·Filed 1990·Granted Oct 29, 1991·15 cites·14 claims
- 1961US7759975B2Interface device and information processing systemHITACHI LTD·Filed 2008·Granted Jul 20, 2010·1 cites·11 claims
- 2061US6332453B1Electromagnetic system fuel injection apparatus an internal combustion engine having an electromagnetic system fuel injection apparatus, and a drive circuit of an electromagnetic system fuel injection apparatusHITACHI LTD·Filed 1999·Granted Dec 25, 2001·16 cites·12 claims
- 2161US4334497AMagnetic brush developing apparatusMINOLTA CAMERA KK·Filed 1980·Granted Jun 15, 1982·11 cites·7 claims
- 2259US4866481AImage forming apparatus having a plurality of developers and a detection and control arrangement for detecting the density of a formed image and a controller for controlling the density of the imageMINOLTA CAMERA KK·Filed 1987·Granted Sep 12, 1989·11 cites·10 claims
- 2358US5568794AElectric circuit device provided on components necessary for controlling engine of vehicleHITACHI LTD·Filed 1995·Granted Oct 29, 1996·23 cites·18 claims
- 2458US4862221ACleaning deviceMINOLTA CAMERA KK·Filed 1988·Granted Aug 29, 1989·11 cites·18 claims
- 2558US4845524AImage forming methodMINOLTA CAMERA KK·Filed 1988·Granted Jul 4, 1989·11 cites·9 claims
- 2658US4269920ADry process developing material for electrophotographyMINOLTA CAMERA KK·Filed 1978·Granted May 26, 1981·8 cites·5 claims
- 2758US2024355972A1Light-emitting device, manufacturing method of light-emitting device, light-reflective material, and irradiation deviceSTANLEY ELECTRIC CO LTD·Filed 2022·Application pending·0 cites
- 2856US2025287761A1Light-emitting device and manufacutring method of light-emitting deviceSTANLEY ELECTRIC CO LTD·Filed 2023·Application pending·0 cites
- 2955US4726347AElectronic ignition signal distributor for automobile engineHITACHI LTD·Filed 1987·Granted Feb 23, 1988·8 cites·5 claims
- 3054US4349270ADeveloper removing device for copying apparatusMINOLTA CAMERA KK·Filed 1980·Granted Sep 14, 1982·12 cites·12 claims
- 3153US7161264B2Semiconductor circuit having drivers of different withstand voltage within the same chipHITACHI LTD·Filed 2003·Granted Jan 9, 2007·6 cites·3 claims
- 3253US6624474B2Semiconductor device with scalable withstanding voltageHITACHI LTD·Filed 2001·Granted Sep 23, 2003·4 cites·11 claims
- 3352US2025301837A1Manufacturing method for light-emitting deviceSTANLEY ELECTRIC CO LTD·Filed 2025·Application pending·0 cites
- 3450US4847658AImage forming apparatus and image forming method employed thereforMINOLTA CAMERA KK·Filed 1988·Granted Jul 11, 1989·8 cites·5 claims
- 3549US7479804B2Interface device and information processing systemHITACHI LTD·Filed 2006·Granted Jan 20, 2009·0 cites·5 claims
- 3647US5255062AImage forming apparatus having a removal means for separating developersMINOLTA CAMERA KK·Filed 1992·Granted Oct 19, 1993·7 cites·16 claims
- 3746US6615805B2Electromagnetic fuel injector and control method thereofHITACHI LTD·Filed 2002·Granted Sep 9, 2003·3 cites·14 claims
- 3845US4452173AMagnetic brush developing apparatusMINOLTA CAMERA KK·Filed 1982·Granted Jun 5, 1984·9 cites·5 claims
- 3943US5134444AImage forming apparatusMINOLTA CAMERA KK·Filed 1991·Granted Jul 28, 1992·6 cites·19 claims
- 4040US4897331AReversal image forming methodMINOLTA CAMERA KK·Filed 1988·Granted Jan 30, 1990·4 cites·4 claims
- 4139US5877958AApparatus for controlling an automobile engine which is serially connected to system sensorsHITACHI LTD·Filed 1995·Granted Mar 2, 1999·10 cites·13 claims
- 4238US4891287AImage editing methodMINOLTA CAMERA KK·Filed 1988·Granted Jan 2, 1990·4 cites·3 claims
- 4338US4498444AMethod of controlling engineHITACHI LTD·Filed 1984·Granted Feb 12, 1985·5 cites·4 claims
- 4437US4447518AElectrostatic image developing method correcting irregularities of magnetic brush developingMINOLTA CAMERA KK·Filed 1983·Granted May 8, 1984·3 cites·11 claims
- 4537US2002092508A1Heating device and engine drive methodHITACHI LTD·Filed 2001·Application pending·0 cites
- 4636US2005069277A1Mobile millimetric wave radarFiled 2001·Application pending·0 cites
- 4736US2004025852A1Heating device and engine drive methodHITACHI LTD·Filed 2003·Application pending·0 cites
- 4830US4975348AImage highlighting methodMINOLTA CAMERA KK·Filed 1988·Granted Dec 4, 1990·1 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →