Inventor · disambiguated record
Shigetoshi Ito
Also filed as: ITO SHIGETOSHI
72 granted patents·7 pending applications·1,543 citations·filing 1998–2019
99Inventor score
Top patents by PatentIndex Score
79 records- 0198US6858882B2Nitride semiconductor light-emitting device and optical device including the sameSHARP KK·Filed 2001·Granted Feb 22, 2005·257 cites·27 claims
- 0297US6399966B1Light emitting nitride semiconductor device, and light emitting apparatus and pickup device using the sameSHARP KK·Filed 2001·Granted Jun 4, 2002·80 cites·10 claims
- 0396US6628249B1Light emitting apparatus, method for driving the light emitting apparatus, and display apparatus including the light emitting apparatusSHARP KK·Filed 2000·Granted Sep 30, 2003·87 cites·22 claims
- 0495US7180487B2Light emitting apparatus, method for driving the light emitting apparatus, and display apparatus including the light emitting apparatusSHARP KK·Filed 2003·Granted Feb 20, 2007·68 cites·18 claims
- 0594US6984841B2Nitride semiconductor light emitting element and production thereofSHARP KK·Filed 2002·Granted Jan 10, 2006·49 cites·31 claims
- 0694US6614824B2Nitride semiconductor laser device and optical device using the sameSHARP KK·Filed 2001·Granted Sep 2, 2003·52 cites·12 claims
- 0793US6320209B1Epitaxial lateral overgrowth of gallium nitride based semiconductive oxide selective growth mask and method for fabricating the sameSHARP KK·Filed 1999·Granted Nov 20, 2001·137 cites·9 claims
- 0892US7579627B2Nitride semiconductor light-emitting device, method of fabricating it, and semiconductor optical apparatusSHARP KK·Filed 2006·Granted Aug 25, 2009·14 cites·17 claims
- 0991US7410819B2Nitride semiconductor light-emitting device and method for producing sameSHARP KK·Filed 2005·Granted Aug 12, 2008·14 cites·8 claims
- 1091US6737678B2Nitride semiconductor device and fabrication method thereofSHARP KK·Filed 2002·Granted May 18, 2004·32 cites·25 claims
- 1191US6670647B1Semiconductor light emitting element, display device and optical information reproduction device using the same, and fabrication method of semiconductor light emitting elementSHARP KK·Filed 2000·Granted Dec 30, 2003·36 cites·15 claims
- 1291US6294440B1Semiconductor substrate, light-emitting device, and method for producing the sameSHARP KK·Filed 1999·Granted Sep 25, 2001·93 cites·33 claims
- 1389US9109771B2Light projecting device and vehicular headlampSHARP KK·Filed 2013·Granted Aug 18, 2015·8 cites·17 claims
- 1489US7041523B2Method of fabricating nitride semiconductor deviceSHARP KK·Filed 2004·Granted May 9, 2006·26 cites·19 claims
- 1588US6812496B2Group III nitride semiconductor laser deviceSHARP KK·Filed 2002·Granted Nov 2, 2004·23 cites·8 claims
- 1688US6586779B2Light emitting nitride semiconductor device, and light emitting apparatus and pickup device using the sameSHARP KK·Filed 2002·Granted Jul 1, 2003·23 cites·3 claims
- 1787US7462882B2Nitride semiconductor light-emitting device, method of fabricating it, and semiconductor optical apparatusSHARP KK·Filed 2004·Granted Dec 9, 2008·20 cites·6 claims
- 1887US6924512B2Nitride semiconductor light-emitting device and optical apparatus including the sameSHARP KK·Filed 2001·Granted Aug 2, 2005·59 cites·16 claims
- 1986US8833991B2Light emitting device, with light guide member having smaller exit section, and illuminating device, and vehicle headlight including the sameKISHIMOTO KATSUHIKO·Filed 2011·Granted Sep 16, 2014·8 cites·12 claims
- 2086US7177336B2Semiconductor laser deviceSHARP KK·Filed 2003·Granted Feb 13, 2007·20 cites·19 claims
- 2186US6593595B2Semiconductor light-emitting device and method for producing sameSHARP KK·Filed 2002·Granted Jul 15, 2003·24 cites·7 claims
- 2284US6493367B1Semiconductor laser device and optical information reproduction apparatusSHARP KK·Filed 2000·Granted Dec 10, 2002·21 cites·21 claims
- 2383US7498608B2Nitride-composite semiconductor laser element, its manufacturing method, and semiconductor optical deviceSHARP KK·Filed 2002·Granted Mar 3, 2009·20 cites·11 claims
- 2483US7421000B2Semiconductor laser deviceSHARP KK·Filed 2007·Granted Sep 2, 2008·6 cites·7 claims
- 2583US6735231B2Semiconductor laser deviceSHARP KK·Filed 2001·Granted May 11, 2004·20 cites·18 claims
- 2682US7858992B2Nitride semiconductor light-emitting device, method of fabricating it, and semiconductor optical apparatusSHARP KK·Filed 2009·Granted Dec 28, 2010·5 cites·2 claims
- 2782US6097040ASemiconductor light emitting device that prevents current flow in a portion thereof directly under an electrode wire bonding padSHARP KK·Filed 1998·Granted Aug 1, 2000·77 cites·14 claims
- 2881US7700963B2Nitride semiconductor light-emitting deviceSHARP KK·Filed 2008·Granted Apr 20, 2010·5 cites·4 claims
- 2979US7012283B2Nitride semiconductor light emitting element and optical device containing itSHARP KK·Filed 2001·Granted Mar 14, 2006·33 cites·46 claims
- 3079US6815728B2Nitride semiconductor light-emitting device and optical device and light-emitting apparatus with the nitride semiconductor light-emitting deviceSHARP KK·Filed 2002·Granted Nov 9, 2004·31 cites·10 claims
- 3179US6617607B2Nitride semiconductor laser device and optical pickup apparatus therewithSHARP KK·Filed 2001·Granted Sep 9, 2003·13 cites·14 claims
- 3278US8170076B2GaN laser elementKAWAKAMI TOSHIYUKI·Filed 2010·Granted May 1, 2012·3 cites·7 claims
- 3378US7199398B2Nitride semiconductor light emitting device having electrode electrically separated into at least two regionsSHARP KK·Filed 2003·Granted Apr 3, 2007·14 cites·18 claims
- 3477US7167489B2GaN-based semiconductor laser deviceSHARP KK·Filed 2002·Granted Jan 23, 2007·14 cites·5 claims
- 3577US6888867B2Semiconductor laser device and fabrication method thereofSHARP KK·Filed 2002·Granted May 3, 2005·14 cites·19 claims
- 3676US7573446B2Method and device for driving LED element, illumination apparatus, and display apparatusSHARP KK·Filed 2005·Granted Aug 11, 2009·6 cites·11 claims
- 3776US6881981B2Nitride semiconductor light emitting device chipSHARP KK·Filed 2001·Granted Apr 19, 2005·26 cites·24 claims
- 3875US10381528B2Image display apparatusSHARP KK·Filed 2016·Granted Aug 13, 2019·1 cites·8 claims
- 3975US7015058B2Method for fabricating a group III nitride semiconductor laser deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2004·Granted Mar 21, 2006·10 cites·12 claims
- 4074US8248335B2Light emitting apparatus, method for driving the light emitting apparatus, and display apparatus including the light emitting apparatusKAMIKAWA TAKESHI·Filed 2011·Granted Aug 21, 2012·2 cites·2 claims
- 4173US7889161B2Light emitting apparatus, method for driving the light emitting apparatus, and display apparatus including the light emitting apparatusSHARP KK·Filed 2006·Granted Feb 15, 2011·3 cites·18 claims
- 4271US6891201B2Nitride semiconductor laser element and optical device containing itSHARP KK·Filed 2002·Granted May 10, 2005·10 cites·28 claims
- 4371US6452216B1Nitride semiconductor light emitting device and apparatus including the sameSHARP KK·Filed 2001·Granted Sep 17, 2002·13 cites·11 claims
- 4470US9911902B2Semiconductor light-emitting deviceSHARP KK·Filed 2016·Granted Mar 6, 2018·2 cites·18 claims
- 4570US8076165B2Method of manufacturing p-type nitride semiconductor and semiconductor device fabricated by the methodTSUDA YUHZOH·Filed 2006·Granted Dec 13, 2011·3 cites·8 claims
- 4668US8212467B2Light emitting deviceSAWAMURA MAKOTO·Filed 2009·Granted Jul 3, 2012·4 cites·6 claims
- 4767US7781244B2Method of manufacturing nitride-composite semiconductor laser element, with disclocation controlSHARP KK·Filed 2008·Granted Aug 24, 2010·1 cites·17 claims
- 4867US6865201B2Semiconductor laser device, method of fabricating the same and optical information reproduction apparatusSHARP KK·Filed 2002·Granted Mar 8, 2005·8 cites·9 claims
- 4966US8807812B2Light emitting device, illuminating device, and headlampKISHIMOTO KATSUHIKO·Filed 2012·Granted Aug 19, 2014·1 cites·11 claims
- 5065US7995632B2Nitride semiconductor laser chip and fabrication method thereofSHARP KK·Filed 2008·Granted Aug 9, 2011·2 cites·8 claims
Showing the top 50 of 79 patent records by PatentIndex Score.
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