Inventor · disambiguated record
Hiroaki Ohta
Also filed as: OHTA HIROAKI
38 granted patents·24 pending applications·451 citations·filing 1981–2025
97Inventor score
Top patents by PatentIndex Score
62 records- 0198US11784454B1High intensity pulse laser generation system and methodBLUE LASER FUSION INC·Filed 2022·Granted Oct 10, 2023·5 cites·22 claims
- 0298US8017932B2Light-emitting deviceROHM CO LTD·Filed 2007·Granted Sep 13, 2011·216 cites·9 claims
- 0395US8044434B2Semiconductor device employing group III-V nitride semiconductors and method for manufacturing the sameROHM CO LTD·Filed 2007·Granted Oct 25, 2011·43 cites·25 claims
- 0490US7750369B2Nitride semiconductor deviceROHM CO LTD·Filed 2008·Granted Jul 6, 2010·18 cites·9 claims
- 0589US12387853B1Synchronized light source for laser fusion system and method for energy generationBLUE LASER FUSION INC·Filed 2023·Granted Aug 12, 2025·1 cites·20 claims
- 0689US12160082B1Airplane configured with a high intensity pulse laser generation system and methodBLUE LASER FUSION INC·Filed 2023·Granted Dec 3, 2024·1 cites·20 claims
- 0788US8481991B2Anisotropic strain control in semipolar nitride quantum wells by partially or fully relaxed aluminum indium gallium nitride layers with misfit dislocationsOHTA HIROAKI·Filed 2010·Granted Jul 9, 2013·8 cites·27 claims
- 0887US5637130AMethod and furnace for drawing optical fibersSUMITOMO ELECTRIC INDUSTRIES·Filed 1994·Granted Jun 10, 1997·40 cites·11 claims
- 0987US2025015554A1High intensity pulse laser generation system and methodBLUE LASER FUSION INC·Filed 2024·Application pending·0 cites
- 1086US8761218B2Aluminum gallium nitride barriers and separate confinement heterostructure (SCH) layers for semipolar plane III-nitride semiconductor-based light emitting diodes and laser diodesLIN YOU-DA·Filed 2011·Granted Jun 24, 2014·11 cites·28 claims
- 1186US2025329983A1Airplane configured with a high intensity pulse laser generation system and methodBLUE LASER FUSION INC·Filed 2025·Application pending·0 cites
- 1285US12119609B2High intensity pulse laser generation system and methodBLUE LASER FUSION INC·Filed 2023·Granted Oct 15, 2024·0 cites·20 claims
- 1383US12368279B2Airplane configured with a high intensity pulse laser generation system and methodBLUE LASER FUSION INC·Filed 2024·Granted Jul 22, 2025·0 cites·20 claims
- 1483US7736785B2Fuel cellHONDA MOTOR CO LTD·Filed 2008·Granted Jun 15, 2010·5 cites·8 claims
- 1580US7999286B2MIS field effect transistor and method for manufacturing the sameROHM CO LTD·Filed 2007·Granted Aug 16, 2011·9 cites·17 claims
- 1680US4394340AMethod of producing thin-walled endless beltKONISHIROKU PHOTO IND·Filed 1981·Granted Jul 19, 1983·40 cites·12 claims
- 1777US7843980B2Semiconductor laser diodeROHM CO LTD·Filed 2008·Granted Nov 30, 2010·5 cites·10 claims
- 1873US9368826B2Fuel cell stackHONDA MOTOR CO LTD·Filed 2014·Granted Jun 14, 2016·1 cites·12 claims
- 1969US11646230B2Chip singulation methodNUVOTON TECHNOLOGY CORP JAPAN·Filed 2022·Granted May 9, 2023·0 cites·8 claims
- 2068US9159553B2Semipolar or nonpolar nitride-based devices on partially or fully relaxed alloys with misfit dislocations at the heterointerfaceOHTA HIROAKI·Filed 2010·Granted Oct 13, 2015·2 cites·21 claims
- 2168US5109368AOptical device using a resilient memberHITACHI LTD·Filed 1990·Granted Apr 28, 1992·18 cites·31 claims
- 2267US11488867B2Chip singulation methodNUVOTON TECHNOLOGY CORP JAPAN·Filed 2022·Granted Nov 1, 2022·0 cites·8 claims
- 2367US2025149848A1System and method for dynamic hbeam shaped laser coupled to optical cavityBLUE LASER FUSION INC·Filed 2023·Application pending·0 cites
- 2464US6546760B1Optical fiber drawing furnace with a zig zag heating elementSUMITOMO ELECTRIC INDUSTRIES·Filed 1996·Granted Apr 15, 2003·17 cites·9 claims
- 2563US12065015B2Cooling structureTOYOTA MOTOR CO LTD·Filed 2022·Granted Aug 20, 2024·0 cites·4 claims
- 2663US9905880B2Fuel cell stackHONDA MOTOR CO LTD·Filed 2017·Granted Feb 27, 2018·0 cites·7 claims
- 2763US2025239829A1Coherent beam combining laser system and method for fusionBLUE LASER FUSION INC·Filed 2024·Application pending·0 cites
- 2862US2024158106A1Satellite laser fusion system and methodBLUE LASER FUSION INC·Filed 2023·Application pending·0 cites
- 2961US11552452B2Semi-polar III-nitride optoelectronic devices on m-plane substrates with miscuts less than +/− 15 degrees in the c-directionUNIV CALIFORNIA·Filed 2018·Granted Jan 10, 2023·0 cites·21 claims
- 3061US8124982B2Semiconductor light-emitting element and method for fabrication the sameOKAMOTO KUNIYOSHI·Filed 2008·Granted Feb 28, 2012·2 cites·9 claims
- 3157US8866126B2Anisotropic strain control in semipolar nitride quantum wells by partially or fully relaxed aluminum indium gallium nitride layers with misfit dislocationsUNIV CALIFORNIA·Filed 2013·Granted Oct 21, 2014·0 cites·22 claims
- 3256US2014376584A1Anisotropic strain control in semipolar nitride quantum wells by partially or fully relaxed aluminum indium gallium nitride layers with misfit dislocationsUNIV CALIFORNIA·Filed 2014·Application pending·0 cites
- 3356US2024387062A1Fast ignition fusion system and methodBLUE LASER FUSION INC·Filed 2023·Application pending·0 cites
- 3455US9917422B2Semi-polar III-nitride optoelectronic devices on M-plane substrates with miscuts less than +/− 15 degrees in the C-directionUNIV CALIFORNIA·Filed 2015·Granted Mar 13, 2018·0 cites·20 claims
- 3555US9269969B2Fuel cell stackHONDA MOTOR CO LTD·Filed 2012·Granted Feb 23, 2016·0 cites·7 claims
- 3654US2024221963A1Direct laser fusion system and method for energy generationBLUE LASER FUSION INC·Filed 2023·Application pending·0 cites
- 3753US2011274999A1Fuel cell stackHONDA MOTOR CO LTD·Filed 2010·Application pending·0 cites
- 3853US2025388346A1Unmanned AircraftACSL LTD·Filed 2022·Application pending·0 cites
- 3946US7550757B2Semiconductor laser and method for manufacturing semiconductor laserROHM CO LTD·Filed 2006·Granted Jun 23, 2009·0 cites·11 claims
- 4045US8692105B2III-V nitride-based thermoelectric deviceOHTA HIROAKI·Filed 2011·Granted Apr 8, 2014·0 cites·19 claims
- 4145US2008230766A1Light emitting deviceROHM CO LTD·Filed 2008·Application pending·0 cites
- 4244US10115981B2Fuel cell stackHONDA MOTOR CO LTD·Filed 2016·Granted Oct 30, 2018·0 cites·7 claims
- 4344US9077151B2Semi-polar III-nitride optoelectronic devices on M-plane substrates with miscuts less than +/-15 degrees in the C-directionHSU PO SHAN·Filed 2011·Granted Jul 7, 2015·0 cites·28 claims
- 4444US8035131B2Method for forming a nitride semiconductor laminated structure and method for manufacturing a nitride semiconductor elementROHM CO LTD·Filed 2008·Granted Oct 11, 2011·0 cites·3 claims
- 4544US2007278474A1Semiconductor light emitting elementROHM CO LTD·Filed 2007·Application pending·0 cites
- 4644US2008232416A1Light emitting deviceROHM CO LTD·Filed 2008·Application pending·0 cites
- 4743US7488970B2Semiconductor deviceROHM CO LTD·Filed 2006·Granted Feb 10, 2009·0 cites·4 claims
- 4843US2011300465A1Fuel cell stackOHTA HIROAKI·Filed 2011·Application pending·0 cites
- 4943US2008315210A1High electron mobility transistorROHM CO LTD·Filed 2008·Application pending·0 cites
- 5043US2007008998A1Semiconductor light emitting deviceROHM CO LTD·Filed 2006·Application pending·0 cites
Showing the top 50 of 62 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →