Inventor · disambiguated record
Akira Ohta
Also filed as: OHTA AKIRA
46 granted patents·11 pending applications·1,364 citations·filing 1976–2023
98Inventor score
Files withMITSUBISHI ELECTRIC CORP21MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4MBT HOLDING AG4NIPPON STEEL CHEMICAL CO4HITACHI LTD3
Top patents by PatentIndex Score
57 records- 0199US5393622AProcess for production of positive electrode active materialMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Feb 28, 1995·159 cites·7 claims
- 0298US6376581B1Cement dispersant, method for production thereof, and cement composition using the dispersantMBT HOLDING AG·Filed 2000·Granted Apr 23, 2002·106 cites·13 claims
- 0397US5661206AFluidity control of cementitious compositionsMBT HOLDING AG·Filed 1995·Granted Aug 26, 1997·195 cites·17 claims
- 0495US6187841B1Cement composition using the dispersant of (meth)acrylic esters, (metha)acrylic acids polymersNIPPON CATALYTIC CHEM IND·Filed 1996·Granted Feb 13, 2001·109 cites·10 claims
- 0593US5660626ACement dispersing agentFiled 1996·Granted Aug 26, 1997·94 cites·8 claims
- 0693US4595643AAir cell electrode and process for preparing its catalystMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1983·Granted Jun 17, 1986·45 cites·14 claims
- 0792US5612396ACopolymersSANDOZ LTD·Filed 1995·Granted Mar 18, 1997·88 cites·22 claims
- 0891US6177841B1High frequency power amplifierMITSUBISHI ELECTRIC CORP·Filed 1999·Granted Jan 23, 2001·88 cites·20 claims
- 0983US6388941B2Semiconductor deviceHITACHI LTD·Filed 2001·Granted May 14, 2002·33 cites·13 claims
- 1083US5780129AMulti-layer blow-molded articleNIPPON STEEL CHEMICAL CO·Filed 1995·Granted Jul 14, 1998·48 cites·11 claims
- 1182US7310019B2High frequency power amplifierMITSUBISHI ELECTRIC CORP·Filed 2006·Granted Dec 18, 2007·11 cites·19 claims
- 1279US5214056A1,3,2-dioxathiolane oxide derivativeJAPAN TOBACCO INC·Filed 1990·Granted May 25, 1993·22 cites·23 claims
- 1377US7061329B2Semiconductor device having balanced circuit for use in high frequency bandMITSUBISHI ELECTRIC CORP·Filed 2004·Granted Jun 13, 2006·25 cites·13 claims
- 1477US5682114AVariable delay circuit, ring oscillator, and flip-flop circuitMITSUBISHI ELECTRIC CORP·Filed 1995·Granted Oct 28, 1997·33 cites·16 claims
- 1575US10240785B2Driving method for solenoid valve, solenoid valve driving apparatus, and combustion apparatus including sameKONISHI DAISUKE·Filed 2011·Granted Mar 26, 2019·6 cites·5 claims
- 1675US5880182AWater-reducing admixtures for cementitious compositionsMBT HOLDING AG·Filed 1997·Granted Mar 9, 1999·35 cites·18 claims
- 1773US4977227ALignosulfonic graft copolymer as a cement dispersantSANDOZ LTD·Filed 1988·Granted Dec 11, 1990·25 cites·4 claims
- 1871US5460772AProcess for multilayer blow moldingNIPPON STEEL CHEMICAL CO·Filed 1992·Granted Oct 24, 1995·24 cites·6 claims
- 1970US10170400B2Multi-finger transistor and semiconductor deviceMITSUBISHI ELECTRIC CORP·Filed 2015·Granted Jan 1, 2019·2 cites·2 claims
- 2067US2025325010A1Taste-improving agent, oil and/or fat composition, and food or beverage productMIYOSHI YUSHI KK·Filed 2022·Application pending·0 cites
- 2166US7918201B2Variable valve mechanism for engineMITSUBISHI MOTORS CORP·Filed 2008·Granted Apr 5, 2011·4 cites·2 claims
- 2265US5859554AVariable delay circuitMITSUBISHI ELECTRIC CORP·Filed 1996·Granted Jan 12, 1999·21 cites·8 claims
- 2365US2024138455A1Soy sauce and soy sauce-like seasoning with excellent aroma, method for suppressing heat-deteriorated smell, container-packed composition with suppressed heat-deteriorated smell and composition for suppressing heat-deteriorated smellKIKKOMAN CORP·Filed 2022·Application pending·0 cites
- 2464US7501897B2High-power amplifierMITSUBISHI ELECTRIC CORP·Filed 2004·Granted Mar 10, 2009·12 cites·24 claims
- 2563US7907009B2High frequency amplifierMITSUBISHI ELECTRIC CORP·Filed 2006·Granted Mar 15, 2011·5 cites·3 claims
- 2663US6833771B1High efficiency amplifier with amplifier element, radio transmission device therewith and measuring device thereforMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Dec 21, 2004·9 cites·26 claims
- 2759US6759908B2High frequency power amplifierMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Jul 6, 2004·10 cites·4 claims
- 2858US6876258B2High-frequency amplifier and radio transmission device with circuit scale and current consumption reduced to achieve high efficiencyMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Apr 5, 2005·9 cites·5 claims
- 2956US6563750B2Semiconductor memory including a circuit for selecting redundant memory cellsHITACHI LTD·Filed 2002·Granted May 13, 2003·8 cites·12 claims
- 3056US5716447AFlowability additiveMBT HOLDING AG·Filed 1997·Granted Feb 10, 1998·15 cites·9 claims
- 3156US5037289ABlow molding mold for forming hollow double-walled product and blow molding apparatus using such moldPLACO CO LTD·Filed 1989·Granted Aug 6, 1991·18 cites·13 claims
- 3256US2024000095A1Flavored oil, food comprising flavored oil, and method for manufacturing flavored oilMIYOSHI YUSHI KK·Filed 2023·Application pending·0 cites
- 3355US2023413844A1Oil and/or fat composition, and beverage or food productMIYOSHI YUSHI KK·Filed 2021·Application pending·0 cites
- 3454US5821793AVariable delay circuit and a variable pulse width circuitMITSUBISHI ELECTRIC CORP·Filed 1996·Granted Oct 13, 1998·13 cites·11 claims
- 3554US2025127197A1Soy sauce rich in organic acidKIKKOMAN CORP·Filed 2022·Application pending·0 cites
- 3653US6867032B2Enzymatic unhairing agent for use in tanning for producing leather and method for enzymatic unhairing treatmentDAIWA KASEI K K·Filed 2000·Granted Mar 15, 2005·1 cites·10 claims
- 3751US2018213656A1Decompression container, processing apparatus, processing system, and method of producing flat panel displayCANON KK·Filed 2018·Application pending·0 cites
- 3849US11207303B2Therapeutic agent for fibrodysplasia ossificans progressivaUNIV KYOTO·Filed 2016·Granted Dec 28, 2021·0 cites·11 claims
- 3949US4125638ADry cells with stainless steel current collectorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1976·Granted Nov 14, 1978·9 cites·7 claims
- 4048US6778020B2High-frequency power amplifierMITSUBISHI ELECTRIC CORP·Filed 2003·Granted Aug 17, 2004·5 cites·10 claims
- 4148US5656956ALogic gate circuit and digital integrated circuitMITSUBISHI ELECTRIC CORP·Filed 1996·Granted Aug 12, 1997·10 cites·24 claims
- 4247US6998943B2High-frequency power amplifierMITSUBISHI ELECTRIC CORP·Filed 2004·Granted Feb 14, 2006·2 cites·6 claims
- 4346US5834960ASemiconductor deviceMITSUBISHI ELECTRIC CORP·Filed 1997·Granted Nov 10, 1998·9 cites·11 claims
- 4446US5718927AApparatus for multilayer blow moldingNIPPON STEEL CHEMICAL CO·Filed 1995·Granted Feb 17, 1998·11 cites·3 claims
- 4546US5668491AVariable delay circuitMITSUBISHI ELECTRIC CORP·Filed 1996·Granted Sep 16, 1997·9 cites·10 claims
- 4644US4789230Af-θ Lens for use in a light beam scanning deviceFUJI XEROX CO LTD·Filed 1988·Granted Dec 6, 1988·10 cites·1 claims
- 4744US2017047267A1Heat dissipation film, dispersion liquid for heat emission layer, method for producing heat dissipation film and solar cellSUMITOMO SEIKA CHEMICALS·Filed 2014·Application pending·0 cites
- 4843US7161433B2High-frequency amplifierMITSUBISHI ELECTRIC CORP·Filed 2003·Granted Jan 9, 2007·4 cites·7 claims
- 4942US5384214AManufacturing of zinc-alkaline batteriesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Jan 24, 1995·12 cites·20 claims
- 5038US5667748AProcess and apparatus for multilayer blow molding and articles blow-molded therewithNIPPON STEEL CHEMICAL CO·Filed 1995·Granted Sep 16, 1997·7 cites·4 claims
Showing the top 50 of 57 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →