Inventor · disambiguated record
Hiroshi Fujii
Also filed as: FUJII HIROSHI · FUJII HIROSHI N
217 granted patents·22 pending applications·4,552 citations·filing 1975–2025
99Inventor score
Files withHITACHI LTD46SONY CORP25MITSUBISHI ELECTRIC CORP16MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9PANASONIC CORP8
Top patents by PatentIndex Score
239 records- 0198US7937437B2Method and apparatus for processing a request using proxy serversHITACHI LTD·Filed 2009·Granted May 3, 2011·124 cites·9 claims
- 0298US6396229B1Method of estimating a rotor position of synchronous motor, method of controlling synchronous motor with no position sensor and a controller of synchronous motorHITACHI LTD·Filed 2000·Granted May 28, 2002·259 cites·24 claims
- 0397US8559161B2Metallized film capacitor and case mold type capacitor including sameTAKEOKA HIROKI·Filed 2010·Granted Oct 15, 2013·77 cites·12 claims
- 0497US6888435B2Composite magnetic body, and magnetic element and method of manufacturing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted May 3, 2005·61 cites·3 claims
- 0597US5467326AApparatus for selectively playing a recording mediumPIONEER ELECTRONIC CORP·Filed 1994·Granted Nov 14, 1995·215 cites·2 claims
- 0696US4643620ACoated hard metal toolSUMITOMO ELECTRIC INDUSTRIES·Filed 1984·Granted Feb 17, 1987·87 cites·3 claims
- 0795US6229719B1Method of inverter control and apparatus of the sameHITACHI LTD·Filed 2000·Granted May 8, 2001·67 cites·7 claims
- 0895US6144571ASemiconductor module, power converter using the same and manufacturing method thereofHITACHI LTD·Filed 2000·Granted Nov 7, 2000·111 cites·16 claims
- 0995US5091823AInverter deviceHITACHI LTD·Filed 1991·Granted Feb 25, 1992·220 cites·41 claims
- 1095US4703734AMulti-valve internal combustion engineNISSAN MOTOR·Filed 1986·Granted Nov 3, 1987·68 cites·16 claims
- 1194US8310802B2Metallization film capacitor having divided electrode with fuseFUJII HIROSHI·Filed 2007·Granted Nov 13, 2012·80 cites·7 claims
- 1294US6784782B2Composite magnetic body, and magnetic element and method of manufacturing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Aug 31, 2004·49 cites·29 claims
- 1394USD285523SElectro-magnetic induction heaterSHARP KK·Filed 1983·Granted Sep 9, 1986·42 cites·1 claims
- 1493US7219416B2Method of manufacturing a magnetic elementMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted May 22, 2007·38 cites·19 claims
- 1593US5457295ACircuit breakerMITSUBISHI ELECTRIC CORP·Filed 1993·Granted Oct 10, 1995·97 cites·19 claims
- 1692US6745743B2Control apparatus for a direct injection engineHITACHI LTD·Filed 2002·Granted Jun 8, 2004·30 cites·20 claims
- 1792US6531843B2Driving system of AC motorHITACHI LTD·Filed 2001·Granted Mar 11, 2003·55 cites·21 claims
- 1891US10730351B2Pneumatic tireYOKOHAMA RUBBER CO LTD·Filed 2015·Granted Aug 4, 2020·3 cites·16 claims
- 1991US6639377B2Driving device for synchronous motorHITACHI LTD·Filed 2001·Granted Oct 28, 2003·51 cites·13 claims
- 2090US7215533B2Chip-type solid electrolytic capacitorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted May 8, 2007·20 cites·11 claims
- 2190US7089908B2Control device and control method for direct injection engineHITACHI CAR ENG CO LTD·Filed 2004·Granted Aug 15, 2006·30 cites·16 claims
- 2289US6661328B2Composite magnetic body, and magnetic element and method of manufacturing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Dec 9, 2003·29 cites·3 claims
- 2389US5679911AKaraoke reproducing apparatus which utilizes data stored on a recording medium to make the apparatus more user friendlyPIONEER ELECTRONIC CORP·Filed 1994·Granted Oct 21, 1997·44 cites·16 claims
- 2489US5616968AExpandable AC power supply deviceOMRON TATEISI ELECTRONICS CO·Filed 1994·Granted Apr 1, 1997·145 cites·34 claims
- 2588USD765585SAutomobile tire treadYOKOHAMA RUBBER CO LTD·Filed 2014·Granted Sep 6, 2016·35 cites·1 claims
- 2688US7927029B2Imaging apparatus and open/close deviceSONY CORP·Filed 2008·Granted Apr 19, 2011·11 cites·11 claims
- 2788US5475293AMethod for measuring characteristic constants of alternating current motor and controller thereof based on said methodHITACHI LTD·Filed 1993·Granted Dec 12, 1995·60 cites·8 claims
- 2888US4644352ARadio wave data transmission watch deviceCASIO COMPUTER CO LTD·Filed 1985·Granted Feb 17, 1987·82 cites·13 claims
- 2987US4716265ACircuit breaker with arc shielded contact armMITSUBISHI ELECTRIC CORP·Filed 1987·Granted Dec 29, 1987·37 cites·4 claims
- 3086US7770556B2Multi-hole injector, in-cylinder gasoline injection type internal combustion engine and control method for the engineHITACHI LTD·Filed 2008·Granted Aug 10, 2010·16 cites·14 claims
- 3186USD334174SResidual current operated circuit-breakerMITSUBISHI ELECTRIC CORP·Filed 1991·Granted Mar 23, 1993·30 cites·1 claims
- 3286US4807639APulse detection apparatusCASIO COMPUTER CO LTD·Filed 1986·Granted Feb 28, 1989·69 cites·21 claims
- 3386US4462351ASplit type internal combustion engineNISSAN MOTOR·Filed 1983·Granted Jul 31, 1984·38 cites·9 claims
- 3485US5185468AProcess for producing β-carotene, and intermediate compounds useful for the processKURARAY CO·Filed 1991·Granted Feb 9, 1993·23 cites·28 claims
- 3585US4641001ACircuit interrupterMITSUBISHI ELECTRIC CORP·Filed 1985·Granted Feb 3, 1987·33 cites·5 claims
- 3685US4033206ANumerically controlled machine toolDAIHATSU MOTOR CO LTD·Filed 1975·Granted Jul 5, 1977·32 cites·5 claims
- 3784US6037308ADiphenyl sulfone crosslinking type compounds and recording materials using themNIPPON SODA CO·Filed 1996·Granted Mar 14, 2000·27 cites·5 claims
- 3884US4513696AApparatus for charging cooling liquid to engine cooling systemTOYO KOGYO CO·Filed 1983·Granted Apr 30, 1985·49 cites·10 claims
- 3983US8228660B2Case-molded capacitor and method for using the sameFUJII HIROSHI·Filed 2008·Granted Jul 24, 2012·13 cites·9 claims
- 4083US7911295B2Common mode noise filterPANASONIC CORP·Filed 2006·Granted Mar 22, 2011·16 cites·20 claims
- 4183US6748919B2Internal combustion engine and fuel injection control device thereforHITACHI LTD·Filed 2002·Granted Jun 15, 2004·23 cites·10 claims
- 4283US6453872B1Fuel injection valve and internal combustion engine mounting the sameHITACHI LTD·Filed 2000·Granted Sep 24, 2002·20 cites·65 claims
- 4383US5952535ASelective catalytic conversion of a C9 aromatic feedstock containing substantial amounts of ethyl substituted aromatic components to a product rich in toluene and/or xylenesCATALYTICA INC·Filed 1996·Granted Sep 14, 1999·29 cites·11 claims
- 4483US5465202AInverter apparatus provided with electric discharge control circuit of dc smoothing capacitor and method of controlling the sameHITACHI LTD·Filed 1994·Granted Nov 7, 1995·54 cites·9 claims
- 4583US4140533AAlkali resistant glass compositions and alkali resistant glass fibers prepared therefromKANEBO LTD·Filed 1977·Granted Feb 20, 1979·38 cites·18 claims
- 4682US4863266AMethod and apparatus for measuring vehicle wheel alignmentIYASAKA SEIKI LIMITED·Filed 1987·Granted Sep 5, 1989·60 cites·11 claims
- 4782US4615000APulse width modulation inverter systemHITACHI LTD·Filed 1985·Granted Sep 30, 1986·49 cites·19 claims
- 4880US7778011B2Chip type solid electrolytic capacitorPANASONIC CORP·Filed 2006·Granted Aug 17, 2010·9 cites·14 claims
- 4980US4628880AInduction system for internal combustion engine having multiple inlet valves per combustion chamberNISSAN MOTOR·Filed 1985·Granted Dec 16, 1986·28 cites·8 claims
- 5080US4504919AMethod of controlling tire assembly linesMAZDA MOTOR·Filed 1982·Granted Mar 12, 1985·28 cites·3 claims
Showing the top 50 of 239 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →