Inventor · disambiguated record
Yasushi Higuchi
Also filed as: HIGUCHI YASUSHI
48 granted patents·19 pending applications·553 citations·filing 1979–2025
98Inventor score
Files withFLOSFIA INC16MITSUBISHI GAS CHEMICAL CO12DENSO CORP11NIPPON DENSO CO8IHARA CHEMICAL IND CO6
Top patents by PatentIndex Score
67 records- 0190US12284822B2Semiconductor device comprising crystalline oxide semiconductor layer and semiconductor system having the sameFLOSFIA INC·Filed 2022·Granted Apr 22, 2025·1 cites·14 claims
- 0286US10109727B2Semiconductor deviceDENSO CORP·Filed 2015·Granted Oct 23, 2018·6 cites·1 claims
- 0385US8659065B2Semiconductor device and method of manufacturing the sameSUMITOMO MASAKIYO·Filed 2011·Granted Feb 25, 2014·10 cites·15 claims
- 0485US6217730B1Sputtering deviceULVAC CORP·Filed 2000·Granted Apr 17, 2001·27 cites·11 claims
- 0582US6784317B2Production of quaternary ammonium salt of hydroxycarboxylic acid and quarternary ammonium salt of inorganic acidMITSUBISHI GAS CHEMICAL CO·Filed 2002·Granted Aug 31, 2004·12 cites·25 claims
- 0679US5180476AMethod for producing transparent conductive filmsULVAC CORP·Filed 1991·Granted Jan 19, 1993·53 cites·3 claims
- 0778US10403745B2Nitride semiconductor device including a horizontal switching deviceDENSO CORP·Filed 2016·Granted Sep 3, 2019·3 cites·10 claims
- 0877US6337249B1Semiconductor device and fabrication process thereofNIPPON DENSO CO·Filed 2000·Granted Jan 8, 2002·22 cites·20 claims
- 0976US9231090B2Trench-gate-type insulated gate bipolar transistorDENSO CORP·Filed 2013·Granted Jan 5, 2016·4 cites·5 claims
- 1076US7893458B2Semiconductor device having lateral MOS transistor and zener diodeDENSO CORP·Filed 2007·Granted Feb 22, 2011·6 cites·20 claims
- 1176US6413392B1Sputtering deviceULVAC CORP·Filed 2000·Granted Jul 2, 2002·19 cites·14 claims
- 1275US7208631B22-alkylcysteinamide or salt thereof, process for producing these, and use of theseMITSUBISHI GAS CHEMICAL CO·Filed 2004·Granted Apr 24, 2007·4 cites·7 claims
- 1374US4832810ACo-based alloy sputter target and process of manufacturing the sameULVAC CORP·Filed 1987·Granted May 23, 1989·31 cites·6 claims
- 1473US6290826B1Composite sputtering cathode assembly and sputtering apparatus with such composite sputtering cathode assemblyULVAC CORP·Filed 1997·Granted Sep 18, 2001·30 cites·20 claims
- 1573US4952665AProcess for production of aromatic polyethers with alkali metal carbonate/bicarbonate/fluoride cocatalystMITSUBISHI GAS CHEMICAL CO·Filed 1988·Granted Aug 28, 1990·19 cites·31 claims
- 1672US2025219529A1Power conversion circuit and control systemFLOSFIA INC·Filed 2025·Application pending·0 cites
- 1770US9216609B2Radical etching apparatus and methodINOUE HIROAKI·Filed 2012·Granted Dec 22, 2015·2 cites·4 claims
- 1870US6967258B2Production of quaternary ammonium salt of hydroxycarboxylic acid and quaternary ammonium salt of inorganic acidMITSUBISHI GAS CHEMICAL CO·Filed 2004·Granted Nov 22, 2005·4 cites·4 claims
- 1970US5708133AProcess for purifying polymerMITSUBISHI GAS CHEMICAL CO·Filed 1996·Granted Jan 13, 1998·25 cites·15 claims
- 2069US8022477B2Semiconductor apparatus having lateral type MIS transistorDENSO CORP·Filed 2008·Granted Sep 20, 2011·4 cites·15 claims
- 2168US4924277AMIS transistor deviceNIPPON DENSO CO·Filed 1989·Granted May 8, 1990·25 cites·4 claims
- 2267US5216272AHigh withstanding voltage MIS transistorNIPPON DENSO CO·Filed 1991·Granted Jun 1, 1993·25 cites·14 claims
- 2367US4822933AProcess for producing a chlorohalobenzeneIHARA CHEMICAL IND CO·Filed 1987·Granted Apr 18, 1989·8 cites·15 claims
- 2467US4390723AProcess for producing hydroxyphenyl aliphatic acid derivativesIHARA CHEMICAL IND CO·Filed 1981·Granted Jun 28, 1983·10 cites·8 claims
- 2564US5900491APreparation process and purification process of cyclic esterMITSUBISHI GAS CHEMICAL CO·Filed 1997·Granted May 4, 1999·11 cites·19 claims
- 2664US5116479AProcess for producing transparent conductive film comprising indium oxideULVAC CORP·Filed 1990·Granted May 26, 1992·16 cites·2 claims
- 2763US8669191B2Method for forming Ni filmUEHIGASHI TOSHIMITSU·Filed 2012·Granted Mar 11, 2014·2 cites·11 claims
- 2863US5980790AProcess for producing a copolymerMITSUBISHI GAS CHEMICAL CO·Filed 1998·Granted Nov 9, 1999·23 cites·20 claims
- 2962US8883632B2Manufacturing method and manufacturing apparatus of deviceULVAC INC·Filed 2013·Granted Nov 11, 2014·2 cites·4 claims
- 3062US5036019AMethod of producing a complementary-type semiconductor deviceNIPPON DENSO CO·Filed 1990·Granted Jul 30, 1991·35 cites·12 claims
- 3162US5019526AMethod of manufacturing a semiconductor device having a plurality of elementsNIPPON DENSO CO·Filed 1988·Granted May 28, 1991·27 cites·11 claims
- 3261US12159940B2Multilayer structure and semiconductor deviceFLOSFIA INC·Filed 2022·Granted Dec 3, 2024·0 cites·8 claims
- 3360US9178050B2Load-short-circuit-tolerant semiconductor device having trench gatesHIGUCHI YASUSHI·Filed 2012·Granted Nov 3, 2015·2 cites·8 claims
- 3460US2022285557A1Semiconductor device and semiconductor systemFLOSFIA INC·Filed 2022·Application pending·0 cites
- 3560US2024363695A1Semiconductor deviceFLOSFIA INC·Filed 2024·Application pending·0 cites
- 3658US5804676AProcess for preparing polymerMITSUBISHI GAS CHEMICAL CO·Filed 1996·Granted Sep 8, 1998·23 cites·20 claims
- 3758US2009030210A1Process for Producing Optically Active 2-Alkylcysteine, Derivative Thereof, and Processes for ProductionMITSUBISHI GAS CHEMICAL CO·Filed 2008·Application pending·0 cites
- 3857US5342802AMethod of manufacturing a complementary MIS transistorNIPPON DENSO CO·Filed 1993·Granted Aug 30, 1994·16 cites·13 claims
- 3957US4307034AInert organic solvent dispersion of alkali hydroxide and reaction using the sameIHARA CHEMICAL IND CO·Filed 1979·Granted Dec 22, 1981·5 cites·8 claims
- 4057US2023290832A1Semiconductor deviceFLOSFIA INC·Filed 2023·Application pending·0 cites
- 4157US2023335581A1Semiconductor deviceFLOSFIA INC·Filed 2023·Application pending·0 cites
- 4256US12107137B2Semiconductor deviceFLOSFIA INC·Filed 2022·Granted Oct 1, 2024·0 cites·14 claims
- 4356US2024055471A1Semiconductor deviceFLOSFIA INC·Filed 2023·Application pending·0 cites
- 4456US2024055510A1Semiconductor deviceFLOSFIA INC·Filed 2023·Application pending·0 cites
- 4556US2023253462A1Crystalline oxide film, multilayer structure and semiconductor deviceFLOSFIA INC·Filed 2023·Application pending·0 cites
- 4655US12289917B2Semiconductor deviceFLOSFIA INC·Filed 2022·Granted Apr 29, 2025·0 cites·17 claims
- 4755US5599888AProcess for preparing methyl methacrylate polymerMITSUBISHI GAS CHEMICAL CO·Filed 1994·Granted Feb 4, 1997·9 cites·4 claims
- 4854US2022293740A1Semiconductor device and semiconductor system including semiconductor deviceFLOSFIA INC·Filed 2022·Application pending·0 cites
- 4953US4794201AProcess for preparation of p-halogeno-monoalkylbenzenesIHARA CHEMICAL IND CO·Filed 1987·Granted Dec 27, 1988·5 cites·21 claims
- 5050US2023123210A1Semiconductor deviceFLOSFIA INC·Filed 2022·Application pending·0 cites
Showing the top 50 of 67 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →