Inventor · disambiguated record
Hiroshi Ohta
Also filed as: OHTA HIROSHI
99 granted patents·48 pending applications·1,376 citations·filing 1975–2025
99Inventor score
Top patents by PatentIndex Score
147 records- 0197US7999989B2Photochromic film, photochromic lens comprising the same, and method of manufacturing photochromic lensHOYA CORP·Filed 2007·Granted Aug 16, 2011·68 cites·22 claims
- 0296US8013360B2Semiconductor device having a junction of P type pillar region and N type pillar regionTOSHIBA KK·Filed 2010·Granted Sep 6, 2011·29 cites·8 claims
- 0395US7737469B2Semiconductor device having superjunction structure formed of p-type and n-type pillar regionsTOSHIBA KK·Filed 2007·Granted Jun 15, 2010·36 cites·9 claims
- 0495US4523286AApparatus for making diagnosis of valve device in turbine systemHITACHI LTD·Filed 1982·Granted Jun 11, 1985·150 cites·12 claims
- 0593US8716789B2Power semiconductor deviceONO SYOTARO·Filed 2012·Granted May 6, 2014·15 cites·20 claims
- 0692US6461112B1Screw compression apparatus and operation control method thereofHITACHI LTD·Filed 2000·Granted Oct 8, 2002·39 cites·15 claims
- 0791US8487374B2Power semiconductor deviceOHTA HIROSHI·Filed 2011·Granted Jul 16, 2013·15 cites·19 claims
- 0890US7919824B2Semiconductor device and method of manufacturing the sameTOSHIBA KK·Filed 2009·Granted Apr 5, 2011·17 cites·14 claims
- 0989US8616856B2Air compressor of water injection typeMATSUZAKA TAKEHIRO·Filed 2010·Granted Dec 31, 2013·13 cites·7 claims
- 1089US6622301B1Parallel program generating methodHITACHI LTD·Filed 2000·Granted Sep 16, 2003·74 cites·14 claims
- 1188US9136324B2Power semiconductor device and method for manufacturing the sameTOSHIBA KK·Filed 2013·Granted Sep 15, 2015·9 cites·12 claims
- 1288US9041101B2Power semiconductor deviceTOSHIBA KK·Filed 2014·Granted May 26, 2015·8 cites·20 claims
- 1388US7756564B2Apparatus for measuring the neuro-magnetic field from a human brain and method for operating the sameNAT INST INF & COMM TECH·Filed 2005·Granted Jul 13, 2010·17 cites·3 claims
- 1488USD377198SController for video game machineSEGA ENTERPRISES KK·Filed 1996·Granted Jan 7, 1997·49 cites·1 claims
- 1587US8860144B2Power semiconductor deviceTOSHIBA KK·Filed 2013·Granted Oct 14, 2014·8 cites·4 claims
- 1687US8643056B2Power semiconductor device and method of manufacturing the sameKIMURA KIYOSHI·Filed 2011·Granted Feb 4, 2014·10 cites·13 claims
- 1786US6316917B1Apparatus having plural electric double layer capacitors and method for adjusting voltages of the capacitorsASAHI GLASS CO LTD·Filed 2000·Granted Nov 13, 2001·74 cites·34 claims
- 1885US8748025B2Cell holding device, assembled battery, and vehicleOHTA HIROSHI·Filed 2009·Granted Jun 10, 2014·6 cites·18 claims
- 1985US8734126B2Screw compressorNISHIMURA HITOSHI·Filed 2012·Granted May 27, 2014·3 cites·9 claims
- 2085US8232593B2Power semiconductor deviceSAITO WATARU·Filed 2010·Granted Jul 31, 2012·9 cites·16 claims
- 2184US10578107B2Liquid-cooled compressor and method for operating sameHITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD·Filed 2015·Granted Mar 3, 2020·2 cites·10 claims
- 2284US8574533B2Material for negative electrode of non-aqueous electrolyte secondary battery, process for producing the same, negative electrode and batterySONOBE NAOHIRO·Filed 2005·Granted Nov 5, 2013·7 cites·10 claims
- 2384US7989910B2Semiconductor device including a resurf region with forward tapered teethTOSHIBA KK·Filed 2008·Granted Aug 2, 2011·11 cites·18 claims
- 2484US7755138B2Semiconductor deviceTOSHIBA KK·Filed 2009·Granted Jul 13, 2010·11 cites·20 claims
- 2584US7605426B2Power semiconductor deviceTOSHIBA KK·Filed 2007·Granted Oct 20, 2009·11 cites·20 claims
- 2682US7622771B2Semiconductor apparatusTOSHIBA KK·Filed 2008·Granted Nov 24, 2009·10 cites·20 claims
- 2782US5740604AComponent-mounting apparatus and methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Apr 21, 1998·54 cites·21 claims
- 2881US8221094B2Screw compressor in which low and high pressure stage compressor bodies overly at least portion of motor bodyNISHIMURA HITOSHI·Filed 2009·Granted Jul 17, 2012·5 cites·17 claims
- 2981US7759732B2Power semiconductor deviceTOSHIBA KK·Filed 2007·Granted Jul 20, 2010·8 cites·9 claims
- 3081US6859975B2Vacuum cleanerSHARP KK·Filed 2001·Granted Mar 1, 2005·32 cites·5 claims
- 3181US4070772AGround excavating apparatusKOMATSU MFG CO LTD·Filed 1975·Granted Jan 31, 1978·23 cites·8 claims
- 3280US7802868B2Nozzle plate, method of manufacturing nozzle plate, liquid ejection head and image forming apparatusFUJIFILM CORP·Filed 2008·Granted Sep 28, 2010·5 cites·3 claims
- 3380US5990779AElectronic apparatus and surface mounting devices thereforMURATA MANUFACTURING CO·Filed 1997·Granted Nov 23, 1999·39 cites·6 claims
- 3480US5448626AFacsimile mail system having means for storing facsimile signals and telephone signalsNIPPON STEEL CORP·Filed 1993·Granted Sep 5, 1995·62 cites·30 claims
- 3579US6739841B2Oil free screw compressor operating at variable speeds and control method thereforHITACHI LTD·Filed 2003·Granted May 25, 2004·14 cites·12 claims
- 3677US10130975B2Coating facility and coating methodHONDA MOTOR CO LTD·Filed 2014·Granted Nov 20, 2018·1 cites·2 claims
- 3777US6391433B2Coating composition and thin film layer for optical partsHOYA CORP·Filed 2001·Granted May 21, 2002·17 cites·13 claims
- 3875US9347350B2Engine unitKOMATSU MFG CO LTD·Filed 2013·Granted May 24, 2016·3 cites·11 claims
- 3975US5187327ASuperconducting magnetic shieldMITSUI MINING & SMELTING CO·Filed 1990·Granted Feb 16, 1993·36 cites·2 claims
- 4074USRE46357EPhotochromic film, photochromic lens comprising the same, and method of manufacturing photochromic lensHOYA CORP·Filed 2007·Granted Apr 4, 2017·5 cites·26 claims
- 4173US7881760B2Measuring structure for magneto encephalographic equipment with a superconducting magnetic-shieldNAT INST INF & COMM TECH·Filed 2007·Granted Feb 1, 2011·12 cites·4 claims
- 4272US9312521B2Cell, assembled battery, and battery-mounted deviceOHTA HIROSHI·Filed 2011·Granted Apr 12, 2016·1 cites·8 claims
- 4372US8907420B2Power semiconductor deviceSAITO WATARU·Filed 2010·Granted Dec 9, 2014·3 cites·10 claims
- 4471USD753728SAir compressorHITACHI IND EQUIPMENT SYS·Filed 2015·Granted Apr 12, 2016·16 cites·1 claims
- 4569US6561766B2Oil free screw compressor operating at variable speeds and control method thereforHITACHI LTD·Filed 2001·Granted May 13, 2003·9 cites·18 claims
- 4668US9856996B2Exhaust gas treatment unitKOMATSU MFG CO LTD·Filed 2013·Granted Jan 2, 2018·2 cites·16 claims
- 4768US8283720B2Power semiconductor deviceSAITO WATARU·Filed 2008·Granted Oct 9, 2012·5 cites·20 claims
- 4868US8227854B2Semiconductor device having first and second resurf layersONO SYOTARO·Filed 2007·Granted Jul 24, 2012·4 cites·20 claims
- 4968US8125023B2Vertical type power semiconductor device having a super junction structureOHTA HIROSHI·Filed 2009·Granted Feb 28, 2012·4 cites·20 claims
- 5066US5463729AImage generation deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Oct 31, 1995·33 cites·21 claims
Showing the top 50 of 147 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →