Inventor
ITO SHIGETOSHI
JP72 patents
⚠️ This page may combine multiple inventors who share the name “ITO SHIGETOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHARP KK
48 patentsUS6858882B2Feb 22, 2005
Nitride semiconductor light-emitting device and optical device including the same
SHARP KK257 citations99
US7180487B2Feb 20, 2007
Light emitting apparatus, method for driving the light emitting apparatus, and display apparatus including the light emitting apparatus
SHARP KK68 citations98
US6628249B1Sep 30, 2003
Light emitting apparatus, method for driving the light emitting apparatus, and display apparatus including the light emitting apparatus
SHARP KK87 citations98
US6399966B1Jun 4, 2002
Light emitting nitride semiconductor device, and light emitting apparatus and pickup device using the same
SHARP KK80 citations98
US6320209B1Nov 20, 2001
Epitaxial lateral overgrowth of gallium nitride based semiconductive oxide selective growth mask and method for fabricating the same
SHARP KK137 citations98
US6294440B1Sep 25, 2001
Semiconductor substrate, light-emitting device, and method for producing the same
SHARP KK93 citations98
US6924512B2Aug 2, 2005
Nitride semiconductor light-emitting device and optical apparatus including the same
SHARP KK59 citations96
US6097040AAug 1, 2000
Semiconductor light emitting device that prevents current flow in a portion thereof directly under an electrode wire bonding pad
SHARP KK77 citations96
US6881981B2Apr 19, 2005
Nitride semiconductor light emitting device chip
SHARP KK26 citations93
US6815728B2Nov 9, 2004
Nitride semiconductor light-emitting device and optical device and light-emitting apparatus with the nitride semiconductor light-emitting device
SHARP KK31 citations93
US6586779B2Jul 1, 2003
Light emitting nitride semiconductor device, and light emitting apparatus and pickup device using the same
SHARP KK23 citations93
US6583442B2Jun 24, 2003
Light emitter device and a method for manufacturing the same
SHARP KK23 citations93
US7579627B2Aug 25, 2009
Nitride semiconductor light-emitting device, method of fabricating it, and semiconductor optical apparatus
SHARP KK14 citations92
US7498608B2Mar 3, 2009
Nitride-composite semiconductor laser element, its manufacturing method, and semiconductor optical device
SHARP KK20 citations92
US7462882B2Dec 9, 2008
Nitride semiconductor light-emitting device, method of fabricating it, and semiconductor optical apparatus
SHARP KK20 citations92
US7177336B2Feb 13, 2007
Semiconductor laser device
SHARP KK20 citations92
US7041523B2May 9, 2006
Method of fabricating nitride semiconductor device
SHARP KK26 citations92
US7012283B2Mar 14, 2006
Nitride semiconductor light emitting element and optical device containing it
SHARP KK33 citations92
US6984841B2Jan 10, 2006
Nitride semiconductor light emitting element and production thereof
SHARP KK49 citations92
US6812496B2Nov 2, 2004
Group III nitride semiconductor laser device
SHARP KK23 citations92
US6737678B2May 18, 2004
Nitride semiconductor device and fabrication method thereof
SHARP KK32 citations92
US6735231B2May 11, 2004
Semiconductor laser device
SHARP KK20 citations92
US6670647B1Dec 30, 2003
Semiconductor light emitting element, display device and optical information reproduction device using the same, and fabrication method of semiconductor light emitting element
SHARP KK36 citations92
US6614824B2Sep 2, 2003
Nitride semiconductor laser device and optical device using the same
SHARP KK52 citations92
US6593595B2Jul 15, 2003
Semiconductor light-emitting device and method for producing same
SHARP KK24 citations92
US6493367B1Dec 10, 2002
Semiconductor laser device and optical information reproduction apparatus
SHARP KK21 citations92
US9109771B2Aug 18, 2015
Light projecting device and vehicular headlamp
SHARP KK8 citations84
US6617607B2Sep 9, 2003
Nitride semiconductor laser device and optical pickup apparatus therewith
SHARP KK13 citations84
US7410819B2Aug 12, 2008
Nitride semiconductor light-emitting device and method for producing same
SHARP KK14 citations83
US7167489B2Jan 23, 2007
GaN-based semiconductor laser device
SHARP KK14 citations83
US6888867B2May 3, 2005
Semiconductor laser device and fabrication method thereof
SHARP KK14 citations83
US7199398B2Apr 3, 2007
Nitride semiconductor light emitting device having electrode electrically separated into at least two regions
SHARP KK14 citations82
US7858992B2Dec 28, 2010
Nitride semiconductor light-emitting device, method of fabricating it, and semiconductor optical apparatus
SHARP KK5 citations74
US7421000B2Sep 2, 2008
Semiconductor laser device
SHARP KK6 citations74
US6891201B2May 10, 2005
Nitride semiconductor laser element and optical device containing it
SHARP KK10 citations74
US6452216B1Sep 17, 2002
Nitride semiconductor light emitting device and apparatus including the same
SHARP KK13 citations74
US7700963B2Apr 20, 2010
Nitride semiconductor light-emitting device
SHARP KK5 citations73
US6865201B2Mar 8, 2005
Semiconductor laser device, method of fabricating the same and optical information reproduction apparatus
SHARP KK8 citations73
US9911902B2Mar 6, 2018
Semiconductor light-emitting device
SHARP KK2 citations68
US7889161B2Feb 15, 2011
Light emitting apparatus, method for driving the light emitting apparatus, and display apparatus including the light emitting apparatus
SHARP KK3 citations63
US7781244B2Aug 24, 2010
Method of manufacturing nitride-composite semiconductor laser element, with disclocation control
SHARP KK1 citations63
US7573446B2Aug 11, 2009
Method and device for driving LED element, illumination apparatus, and display apparatus
SHARP KK6 citations63
US7142575B2Nov 28, 2006
Semiconductor laser element and optical data recording device
SHARP KK4 citations63
US6909120B2Jun 21, 2005
Nitride semiconductor luminous element and optical device including it
SHARP KK3 citations63
US6891189B2May 10, 2005
Nitride semiconductor laser device and optical pickup apparatus therewith
SHARP KK4 citations63
US6873635B2Mar 29, 2005
Nitride semiconductor laser device and optical information reproduction apparatus using the same
SHARP KK4 citations63
US6765233B2Jul 20, 2004
Semiconductor substrate, light emitting device, and method for producing the same
SHARP KK2 citations63
US10381528B2Aug 13, 2019
Image display apparatus
SHARP KK1 citations62
KISHIMOTO KATSUHIKO
1 patentSUMITOMO ELECTRIC INDUSTRIES
1 patentShowing the top 50 of 72 patents by PatentIndex Score.