Inventor · disambiguated record
Naohiro Momma
Also filed as: MOMMA NAOHIRO
22 granted patents·1 pending application·1,336 citations·filing 1978–2005
97Inventor score
Top patents by PatentIndex Score
23 records- 0197US6661659B2Water cooled inverterHITACHI LTD·Filed 2002·Granted Dec 9, 2003·121 cites·12 claims
- 0297US6621701B2Water cooled inverterHITACHI LTD·Filed 2002·Granted Sep 16, 2003·104 cites·10 claims
- 0396US4879041AProcess for producing ultra-pure water and process for using said ultra-pure waterHITACHI LTD·Filed 1988·Granted Nov 7, 1989·112 cites·15 claims
- 0495US5726488ASemiconductor device having semiconductor elements formed in a retrograde well structureHITACHI LTD·Filed 1994·Granted Mar 10, 1998·134 cites·11 claims
- 0595US5294811AThin film semiconductor device having inverted stagger structure, and device having such semiconductor deviceHITACHI LTD·Filed 1991·Granted Mar 15, 1994·170 cites·24 claims
- 0695US4772927AThin film FET doped with diffusion inhibitorHITACHI LTD·Filed 1986·Granted Sep 20, 1988·171 cites·11 claims
- 0793US4876983APlasma operation apparatusHITACHI LTD·Filed 1988·Granted Oct 31, 1989·70 cites·18 claims
- 0889US6353258B1Semiconductor moduleHITACHI LTD·Filed 2000·Granted Mar 5, 2002·65 cites·44 claims
- 0987US6892582B1Semiconductor pressure sensor and pressure sensing deviceHITACHI CAR ENG CO LTD·Filed 1999·Granted May 17, 2005·50 cites·12 claims
- 1083US4862240AComplementary semiconductor deviceHITACHI LTD·Filed 1987·Granted Aug 29, 1989·62 cites·21 claims
- 1182US4894801AStacked MOS transistor flip-flop memory cellHITACHI LTD·Filed 1987·Granted Jan 16, 1990·43 cites·26 claims
- 1280US4956693ASemiconductor deviceHITACHI LTD·Filed 1987·Granted Sep 11, 1990·62 cites·6 claims
- 1374US4735916AMethod of fabricating bipolar transistors and insulated gate field effect transistors having doped polycrystalline silicon conductorsHITACHI LTD·Filed 1987·Granted Apr 5, 1988·43 cites·19 claims
- 1469US5883403APower semiconductor deviceHITACHI LTD·Filed 1996·Granted Mar 16, 1999·29 cites·18 claims
- 1566US5084355ALaminar structure comprising organic material and inorganic materialHITACHI LTD·Filed 1989·Granted Jan 28, 1992·30 cites·5 claims
- 1661US4963973ASemiconductor deviceHITACHI LTD·Filed 1989·Granted Oct 16, 1990·17 cites·3 claims
- 1747US4794445ASemiconductor deviceHITACHI LTD·Filed 1987·Granted Dec 27, 1988·13 cites·24 claims
- 1847US2005132814A1Semiconductor pressure sensor and pressure sensing deviceHITACHI CAR ENG CO LTD·Filed 2005·Application pending·0 cites
- 1946US4402001ASemiconductor element capable of withstanding high voltageHITACHI LTD·Filed 1978·Granted Aug 30, 1983·10 cites·12 claims
- 2043US5433788AApparatus for plasma treatment using electron cyclotron resonanceHITACHI LTD·Filed 1993·Granted Jul 18, 1995·9 cites·23 claims
- 2140US4682199AHigh voltage thyristor with optimized doping, thickness, and sheet resistivity for cathode base layerHITACHI LTD·Filed 1983·Granted Jul 21, 1987·6 cites·15 claims
- 2239US4415385ADiffusion of impurities into semiconductor using semi-closed inner diffusion vesselHITACHI LTD·Filed 1981·Granted Nov 15, 1983·9 cites·20 claims
- 2338US4266990AProcess for diffusion of aluminum into a semiconductorHITACHI LTD·Filed 1979·Granted May 12, 1981·6 cites·10 claims
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