Inventor
TSUDA YUHZOH
JP39 patents
⚠️ This page may combine multiple inventors who share the name “TSUDA YUHZOH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHARP KK
35 patentsUS6858882B2Feb 22, 2005
Nitride semiconductor light-emitting device and optical device including the same
SHARP KK257 citations99
US6335546B1Jan 1, 2002
Nitride semiconductor structure, method for producing a nitride semiconductor structure, and light emitting device
SHARP KK250 citations99
US6455877B1Sep 24, 2002
III-N compound semiconductor device
SHARP KK138 citations98
US6399966B1Jun 4, 2002
Light emitting nitride semiconductor device, and light emitting apparatus and pickup device using the same
SHARP KK80 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
US6620238B2Sep 16, 2003
Nitride semiconductor structure, method for producing a nitride semiconductor structure, and light emitting device
SHARP KK58 citations96
US6518602B1Feb 11, 2003
Nitride compound semiconductor light emitting device and method for producing the same
SHARP KK70 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
US7579627B2Aug 25, 2009
Nitride semiconductor light-emitting device, method of fabricating it, and semiconductor optical apparatus
SHARP KK14 citations92
US7462882B2Dec 9, 2008
Nitride semiconductor light-emitting device, method of fabricating it, and semiconductor optical apparatus
SHARP KK20 citations92
US7064357B2Jun 20, 2006
Nitride compound semiconductor light emitting device and method for producing the same
SHARP KK27 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
US6614824B2Sep 2, 2003
Nitride semiconductor laser device and optical device using the same
SHARP KK52 citations92
US6586316B2Jul 1, 2003
Method for producing a semiconductor substrate
SHARP KK46 citations92
US6586777B1Jul 1, 2003
Nitride semiconductor light emitting device
SHARP KK52 citations92
US7573924B2Aug 11, 2009
Nitride semiconductor laser device
SHARP KK12 citations84
US6617607B2Sep 9, 2003
Nitride semiconductor laser device and optical pickup apparatus therewith
SHARP KK13 citations84
US7858992B2Dec 28, 2010
Nitride semiconductor light-emitting device, method of fabricating it, and semiconductor optical apparatus
SHARP KK5 citations74
US7709858B2May 4, 2010
Nitride semiconductor light emitting device
SHARP KK7 citations74
US7352012B2Apr 1, 2008
Nitride compound semiconductor light emitting device and method for producing the same
SHARP KK7 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
US7663158B2Feb 16, 2010
Nitride compound semiconductor light emitting device and method for producing the same
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
US6765233B2Jul 20, 2004
Semiconductor substrate, light emitting device, and method for producing the same
SHARP KK2 citations63
US11128105B2Sep 21, 2021
Semiconductor laser device
SHARP KK1 citations60
US7515621B2Apr 7, 2009
Nitride semiconductor laser element
SHARP KK1 citations52
US10389089B2Aug 20, 2019
Nitride semiconductor laser device
SHARP KK0 citations51
US11133651B2Sep 28, 2021
Nitride semiconductor laser device and semiconductor laser apparatus
SHARP KK0 citations50
US7733935B2Jun 8, 2010
Nitride semiconductor laser device and method of producing the same
SHARP KK0 citations46
TSUDA YUHZOH
3 patentsUS8076165B2Dec 13, 2011
Method of manufacturing p-type nitride semiconductor and semiconductor device fabricated by the method
TSUDA YUHZOH3 citations60
US8085826B2Dec 27, 2011
Nitride semiconductor laser device
TSUDA YUHZOH2 citations59
US8311070B2Nov 13, 2012
Nitride semiconductor laser device
TSUDA YUHZOH0 citations49