Inventor · disambiguated record
Hitoshi Kasai
Also filed as: KASAI HITOSHI
36 granted patents·15 pending applications·1,156 citations·filing 1984–2023
98Inventor score
Files withSUMITOMO ELECTRIC INDUSTRIES17ISUZU MOTORS LTD8JAPAN SCIENCE & TECH AGENCY6FUJITSU LTD5KASAI HITOSHI3
Top patents by PatentIndex Score
51 records- 0199US7968864B2Group-III nitride light-emitting deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2009·Granted Jun 28, 2011·254 cites·11 claims
- 0298US7816238B2GaN substrate, substrate with epitaxial layer, semiconductor device, and method of manufacturing GaN substrateSUMITOMO ELECTRIC INDUSTRIES·Filed 2008·Granted Oct 19, 2010·43 cites·8 claims
- 0398US6468882B2Method of producing a single crystal gallium nitride substrate and single crystal gallium nitride substrateSUMITOMO ELECTRIC INDUSTRIES·Filed 2001·Granted Oct 22, 2002·197 cites·21 claims
- 0498US4635214AFailure diagnostic processing systemFUJITSU LTD·Filed 1984·Granted Jan 6, 1987·193 cites·13 claims
- 0594US7589000B2Fabrication method and fabrication apparatus of group III nitride crystal substanceSUMITOMO ELECTRIC INDUSTRIES·Filed 2006·Granted Sep 15, 2009·20 cites·4 claims
- 0693US4643048AMethod of controlling automatic transmission in accordance with determination of optimum gear ratioISUZU MOTORS LTD·Filed 1984·Granted Feb 17, 1987·51 cites·10 claims
- 0791US4618043AMethod for automatic control of a motor vehicle clutchISUZU MOTORS LTD·Filed 1984·Granted Oct 21, 1986·56 cites·8 claims
- 0890US9209189B2Semiconductor integrated circuit device and method for producing the sameRENESAS ELECTRONICS CORP·Filed 2015·Granted Dec 8, 2015·7 cites·21 claims
- 0989US4629045AAutomatic clutch control systemFUJITSU LTD·Filed 1984·Granted Dec 16, 1986·49 cites·5 claims
- 1087US4677880AMethod of controlling automatic transmission in accordance with engine operationISUZU MOTORS LTD·Filed 1984·Granted Jul 7, 1987·45 cites·6 claims
- 1184US7728348B2Substrate having thin film of GaN joined thereon and method of fabricating the same, and a GaN-based semiconductor device and method of fabricating the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2007·Granted Jun 1, 2010·10 cites·6 claims
- 1283US8143140B2Substrate having thin film of GaN joined thereon and method of fabricating the same, and a GaN-based semiconductor device and method of fabricating the sameKASAI HITOSHI·Filed 2010·Granted Mar 27, 2012·7 cites·5 claims
- 1382US4591038AAutomatic clutch control systemFUJITSU LTD·Filed 1984·Granted May 27, 1986·35 cites·13 claims
- 1481US4858131AClutch target position control systemFUJITSU LTD·Filed 1987·Granted Aug 15, 1989·33 cites·15 claims
- 1580US7192477B2Process for producing pigment nanoparticleJAPAN SCIENCE & TECH AGENCY·Filed 2003·Granted Mar 20, 2007·13 cites·17 claims
- 1679US7858502B2Fabrication method and fabrication apparatus of group III nitride crystal substanceSUMITOMO ELECTRIC INDUSTRIES·Filed 2009·Granted Dec 28, 2010·4 cites·6 claims
- 1775US11014865B2Production method for cyclopentenone derivativeUNIV TOHOKU·Filed 2019·Granted May 25, 2021·1 cites·6 claims
- 1867US8404569B2Fabrication method and fabrication apparatus of group III nitride crystal substanceKASAI HITOSHI·Filed 2010·Granted Mar 26, 2013·1 cites·8 claims
- 1967US6818053B2Process for producing quinacridone pigment microcrystalsJAPAN SCIENCE & TECH CORP·Filed 2001·Granted Nov 16, 2004·7 cites·5 claims
- 2066US8574364B2GaN-crystal free-standing substrate and method for producing the sameFUJIWARA SHINSUKE·Filed 2011·Granted Nov 5, 2013·1 cites·4 claims
- 2166US7915635B2Semiconductor light-emitting element and substrate used in formation of the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2008·Granted Mar 29, 2011·2 cites·8 claims
- 2266US4720792AMethod and apparatus for controlling operation of a throttleFUJITSU LTD·Filed 1984·Granted Jan 19, 1988·19 cites·11 claims
- 2365US7973322B2Nitride semiconductor light emitting device and method for forming the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2008·Granted Jul 5, 2011·2 cites·12 claims
- 2465US4642771ADiagnostic processing system for automatic transmission of an automobileISUZU MOTORS LTD·Filed 1984·Granted Feb 10, 1987·18 cites·18 claims
- 2564US4843555ASignal processing system for vehicular acceleration sensorISUZU MOTORS LTD·Filed 1987·Granted Jun 27, 1989·21 cites·6 claims
- 2664US4685051ARevolution signal processing system for vehicular electronic controllerISUZU MOTORS LTD·Filed 1984·Granted Aug 4, 1987·18 cites·5 claims
- 2763US7825409B2GaN crystal substrateSUMITOMO ELECTRIC INDUSTRIES·Filed 2007·Granted Nov 2, 2010·1 cites·4 claims
- 2863US4683996AMethod of controlling automatic transmissionISUZU MOTORS LTD·Filed 1984·Granted Aug 4, 1987·18 cites·8 claims
- 2959US2008219910A1Single-Crystal GaN SubstrateSUMITOMO ELECTRIC INDUSTRIES·Filed 2008·Application pending·0 cites
- 3057US2025177962A1Method for producing transition metal nanoparticle support, and transition metal nanoparticle supportUNIV TOHOKU·Filed 2023·Application pending·0 cites
- 3155US9153742B2GaN-crystal free-standing substrate and method for producing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2013·Granted Oct 6, 2015·0 cites·4 claims
- 3255US2013244406A1Fabrication method and fabrication apparatus of group iii nitride crystal substanceSUMITOMO ELECTRIC INDUSTRIES·Filed 2013·Application pending·0 cites
- 3353US4979117AMethod of processing malfunction of vehicular acceleration sensorISUZU MOTORS LTD·Filed 1989·Granted Dec 18, 1990·14 cites·6 claims
- 3453US2024300979A1Sn-38 derivative, nano-particles containing said derivative, medicine, and method for producing said nano-particlesJAPAN SCIENCE & TECH AGENCY·Filed 2022·Application pending·0 cites
- 3552US2005208687A1Method of Manufacturing Single-Crystal GaN Substrate, and Single-Crystal GaN SubstrateSUMITOMO ELECTRIC INDUSTRIES·Filed 2005·Application pending·0 cites
- 3651US7396560B2Method for preparing organic-inorganic composite microcrystalJAPAN SCIENCE & TECH AGENCY·Filed 2002·Granted Jul 8, 2008·2 cites·9 claims
- 3749US8025930B2Method for fabricating metal-coated organic crystalJAPAN SCIENCE & TECH AGENCY·Filed 2006·Granted Sep 27, 2011·0 cites·8 claims
- 3848US11407772B2Optically-active cyclopentenone derivativesUNIV TOHOKU·Filed 2019·Granted Aug 9, 2022·0 cites·5 claims
- 3948US2008308815A1GaN Substrate, Substrate with an Epitaxial Layer, Semiconductor Device, and GaN Substrate Manufacturing MethodSUMITOMO ELECTRIC INDUSTRIES·Filed 2008·Application pending·0 cites
- 4047US2010032644A1Nitride Semiconductor Light-Emitting Device and Nitride Semiconductor Light-Emitting Device Fabrication MethodSUMITOMO ELECTRIC INDUSTRIES·Filed 2008·Application pending·0 cites
- 4146US2008299694A1Method of manufacturing semiconductor light-emitting elementSUMITOMO ELECTRIC INDUSTRIES·Filed 2008·Application pending·0 cites
- 4246US2009061228A1Method of preparing solid particulates and solid particulates prepared using sameCHEIL IND INC·Filed 2008·Application pending·0 cites
- 4346US2007086949A1Method of bioimaging using nanocrystals of fluorescent dyesPRASAD PARAS N·Filed 2006·Application pending·0 cites
- 4445US2016071850A1Semiconductor Integrated Circuit Device and Method for Producing the SameRENESAS ELECTRONICS CORP·Filed 2015·Application pending·0 cites
- 4545US2007280872A1Method of growing gallium nitride crystal and gallium nitride substrateSUMITOMO ELECTRIC INDUSTRIES·Filed 2007·Application pending·0 cites
- 4643US7732494B2Method of concentrating fine particle dispersion and method of recovering fine particleJAPAN SCIENCE & TECH AGENCY·Filed 2003·Granted Jun 8, 2010·1 cites·2 claims
- 4741US5043895AMethod of controlling gear changing operation in automatic transmissionIZUZU MOTORS LIMITED·Filed 1989·Granted Aug 27, 1991·13 cites·4 claims
- 4840US2006039984A1Process for producing fine porous polyimide particleNAKANISHI HACHIRO·Filed 2003·Application pending·0 cites
- 4940US2013096097A1Pharmaceutical multimeric particles, and manufacturing method for sameKASAI HITOSHI·Filed 2011·Application pending·0 cites
- 5035US8679341B2Method of concentrating nanoparticles and method of deaggregating aggregated nanoparticlesMIYASHITA YOUSUKE·Filed 2006·Granted Mar 25, 2014·0 cites·4 claims
Showing the top 50 of 51 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →