Inventor · disambiguated record
Hiroyuki Okuyama
Also filed as: OKUYAMA HIROYUKI
93 granted patents·20 pending applications·3,817 citations·filing 1992–2023
99Inventor score
Top patents by PatentIndex Score
113 records- 0199US7087932B2Semiconductor light-emitting device and semiconductor light-emitting deviceSONY CORP·Filed 2001·Granted Aug 8, 2006·492 cites·39 claims
- 0299US7002182B2Semiconductor light emitting device integral type semiconductor light emitting unit image display unit and illuminating unitSONY CORP·Filed 2003·Granted Feb 21, 2006·481 cites·10 claims
- 0399US6967353B2Semiconductor light emitting device and fabrication method thereofSONY CORP·Filed 2003·Granted Nov 22, 2005·480 cites·11 claims
- 0499US6858081B2Selective growth method, and semiconductor light emitting device and fabrication method thereofSONY CORP·Filed 2003·Granted Feb 22, 2005·745 cites·25 claims
- 0599US6818465B2Nitride semiconductor element and production method for nitride semiconductor elementSONY CORP·Filed 2002·Granted Nov 16, 2004·509 cites·50 claims
- 0696US7550775B2GaN semiconductor light-emitting element and method for manufacturing the sameSONY CORP·Filed 2007·Granted Jun 23, 2009·30 cites·10 claims
- 0796US7129515B2Lighting systemSONY CORP·Filed 2005·Granted Oct 31, 2006·24 cites·1 claims
- 0896US7067339B2Selective growth method, and semiconductor light emitting device and fabrication method thereofSONY CORP·Filed 2005·Granted Jun 27, 2006·30 cites·6 claims
- 0996US7033436B2Crystal growth method for nitride semiconductor and formation method for semiconductor deviceSONY CORP·Filed 2002·Granted Apr 25, 2006·89 cites·29 claims
- 1095US7129514B2Image display unitSONY CORP·Filed 2005·Granted Oct 31, 2006·19 cites·1 claims
- 1194US7706022B2Image forming apparatus and image forming methodTOSHIBA KK·Filed 2006·Granted Apr 27, 2010·25 cites·8 claims
- 1294US7122826B2Image display unitSONY CORP·Filed 2005·Granted Oct 17, 2006·15 cites·1 claims
- 1394US6924500B2Semiconductor light-emitting device and process for producing the sameSONY CORP·Filed 2002·Granted Aug 2, 2005·43 cites·4 claims
- 1493US8616797B2Thermosensitive decolorable ink compositionKAMITANI TOSHIMI·Filed 2010·Granted Dec 31, 2013·11 cites·8 claims
- 1593US5515393ASemiconductor laser with ZnMgSSe cladding layersSONY CORP·Filed 1993·Granted May 7, 1996·105 cites·30 claims
- 1692US7564064B2Semiconductor light emitting device, an integrated semiconductor light emitting apparatus, an image display apparatus, and an illuminating apparatus having a semiconductor layer with conical crystal portionSONY CORP·Filed 2007·Granted Jul 21, 2009·18 cites·10 claims
- 1792US6623560B2Crystal growth methodSONY CORP·Filed 2001·Granted Sep 23, 2003·57 cites·12 claims
- 1889US9373274B2Light-emitting device and display deviceOKUYAMA HIROYUKI·Filed 2011·Granted Jun 21, 2016·11 cites·18 claims
- 1989US8319808B2Image forming apparatusSADOWARA TETSUYA·Filed 2011·Granted Nov 27, 2012·12 cites·20 claims
- 2089US7221001B2Semiconductor light-emitting device and process for producing the sameSONY CORP·Filed 2005·Granted May 22, 2007·8 cites·20 claims
- 2188US7122394B2Process for producing a semiconductor light-emitting deviceSONY CORP·Filed 2005·Granted Oct 17, 2006·7 cites·1 claims
- 2287US7727331B2Crystal firm, crystal substrate, and semiconductor deviceSONY CORP·Filed 2007·Granted Jun 1, 2010·8 cites·19 claims
- 2386US8168966B2GaN-based semiconductor light-emitting device, light illuminator, image display planar light source device, and liquid crystal display assemblyBIWA GOSHI·Filed 2006·Granted May 1, 2012·10 cites·17 claims
- 2485US7364805B2Crystal film, crystal substrate, and semiconductor deviceSONY CORP·Filed 2002·Granted Apr 29, 2008·22 cites·14 claims
- 2585US6881982B2Semiconductor light emitting deviceSONY CORP·Filed 2002·Granted Apr 19, 2005·38 cites·8 claims
- 2684US7250320B2Semiconductor light emitting element, manufacturing method thereof, integrated semiconductor light emitting device, manufacturing method thereof, image display device, manufacturing method thereof, illuminating device and manufacturing method thereofSONY CORP·Filed 2004·Granted Jul 31, 2007·24 cites·27 claims
- 2784US6576571B2Process of vapor phase growth of nitride semiconductorSONY CORP·Filed 2001·Granted Jun 10, 2003·29 cites·11 claims
- 2883US9566818B2Writing instrumentMITSUBISHI PENCIL CO·Filed 2015·Granted Feb 14, 2017·3 cites·2 claims
- 2983US6870190B2Display unit and semiconductor light emitting deviceSONY CORP·Filed 2002·Granted Mar 22, 2005·27 cites·24 claims
- 3082US9786638B2Light-emitting device and display deviceSONY CORP·Filed 2016·Granted Oct 10, 2017·3 cites·4 claims
- 3182US7501663B2Semiconductor light-emitting device, and image display device and lighting unit comprising sameSONY CORP·Filed 2006·Granted Mar 10, 2009·4 cites·17 claims
- 3282US6429032B1Nitride semiconductor and a method thereof, a nitride semiconductor device and a method thereofSONY CORP·Filed 2000·Granted Aug 6, 2002·15 cites·21 claims
- 3381US7589346B2GaN based semiconductor light-emitting device and method for producing sameSONY CORP·Filed 2006·Granted Sep 15, 2009·7 cites·10 claims
- 3480US6828591B2Semiconductor light emitting device and fabrication method thereofSONY CORP·Filed 2001·Granted Dec 7, 2004·30 cites·7 claims
- 3579US7129107B2Process for producing a semiconductor light-emitting deviceSONY CORP·Filed 2005·Granted Oct 31, 2006·3 cites·1 claims
- 3678US7030421B2Semiconductor light emitting device and fabrication method thereofSONY CORP·Filed 2004·Granted Apr 18, 2006·25 cites·29 claims
- 3778US6818463B2Vapor-phase growth method for a nitride semiconductor and a nitride semiconductor deviceSONY CORP·Filed 2002·Granted Nov 16, 2004·18 cites·19 claims
- 3876US6734030B2Semiconductor light emitting device and method of fabricating semiconductor light emitting deviceSONY CORP·Filed 2002·Granted May 11, 2004·22 cites·17 claims
- 3976US5239552ALaser output unitMIYACHI TECHNOS KK·Filed 1992·Granted Aug 24, 1993·35 cites·9 claims
- 4075US8946764B2Gallium nitride-based semiconductor element, optical device using the same, and image display apparatus using optical deviceBIWA GOSHI·Filed 2008·Granted Feb 3, 2015·7 cites·13 claims
- 4175US7122825B2Lighting systemSONY CORP·Filed 2005·Granted Oct 17, 2006·2 cites·1 claims
- 4274US9132692B2Writing instrumentKAMITANI TOSHIMI·Filed 2011·Granted Sep 15, 2015·3 cites·10 claims
- 4374US7205168B2Semiconductor light emitting device, its manufacturing method, integrated semiconductor light emitting apparatus, its manufacturing method, illuminating apparatus, and its manufacturing methodSONY CORP·Filed 2003·Granted Apr 17, 2007·19 cites·22 claims
- 4474US7135348B2Semiconductor light emitting device and fabrication method thereofSONY CORP·Filed 2003·Granted Nov 14, 2006·23 cites·13 claims
- 4573US7553370B2Crystal growth method for nitride semiconductor and formation method for semiconductor deviceSONY CORP·Filed 2005·Granted Jun 30, 2009·3 cites·30 claims
- 4673US6462354B1Semiconductor device and semiconductor light emitting deviceSONY CORP·Filed 2000·Granted Oct 8, 2002·21 cites·31 claims
- 4773US2025320369A1Non-baked pencil leadMITSUBISHI PENCIL CO·Filed 2023·Application pending·0 cites
- 4872US7002183B2Semiconductor light emitting device having a semiconductor layer formed by selective growthSONY CORP·Filed 2005·Granted Feb 21, 2006·3 cites·1 claims
- 4972US5582424AOccupant restraint deviceNISSAN MOTOR·Filed 1995·Granted Dec 10, 1996·42 cites·9 claims
- 5071US8928009B2Light emitting device, illuminating device, and display deviceOKUYAMA HIROYUKI·Filed 2011·Granted Jan 6, 2015·3 cites·18 claims
Showing the top 50 of 113 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →