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Kensaku Yamamoto
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Hiroshima, JP
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Patents Grants
last 30 patents
Information
Patent Grant
III-V group compound semiconductor light emitting device and manufa...
Patent number
7,800,126
Issue date
Sep 21, 2010
Sharp Kabushiki Kaisha
Kensaku Yamamoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Nitride semiconductor light-emitting diode chip and method of manuf...
Patent number
7,105,859
Issue date
Sep 12, 2006
Sharp Kabushiki Kaisha
Kensaku Yamamoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Light emitting device of III-V group compound semiconductor and fab...
Patent number
7,023,026
Issue date
Apr 4, 2006
Sharp Kabushiki Kaisha
Kensaku Yamamoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Nitride gallium compound semiconductor light emission device
Patent number
6,969,873
Issue date
Nov 29, 2005
Sharp Kabushiki Kaisha
Toshio Hata
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor light emitting element and semiconductor light emitti...
Patent number
6,940,099
Issue date
Sep 6, 2005
Sharp Kabushiki Kaisha
Toshio Hata
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Light emitting semiconductor device and method of fabricating the same
Patent number
6,844,572
Issue date
Jan 18, 2005
Sharp Kabushiki Kaisha
Nobuhiko Sawaki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Gallium nitride group compound semiconductor light-emitting device
Patent number
6,603,146
Issue date
Aug 5, 2003
Sharp Kabushiki Kaisha
Toshio Hata
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Nitride based semiconductor light emitting element
Patent number
6,555,847
Issue date
Apr 29, 2003
Sharp Kabushiki Kaisha
Toshio Hata
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Light emitting device of III-V group compound semiconductor and fab...
Publication number
20050199904
Publication date
Sep 15, 2005
SHARP KABUSHIKI KAISHA
Kensaku Yamamoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Nitride semiconductor light-emitting diode chip and method of manuf...
Publication number
20050093016
Publication date
May 5, 2005
SHARP KABUSHIKI KAISHA
Kensaku Yamamoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Light emitting semiconductor device and method of fabricating the same
Publication number
20030178702
Publication date
Sep 25, 2003
Nobuhiko Sawaki
C30 - CRYSTAL GROWTH
Information
Patent Application
Nitride-based semiconductor light-emitting device and manufacturing...
Publication number
20030116774
Publication date
Jun 26, 2003
Kensaku Yamamoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor light emitting element and semiconductor light emitti...
Publication number
20030062534
Publication date
Apr 3, 2003
Toshio Hata
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Nitride based semiconductor light emitting element
Publication number
20010045561
Publication date
Nov 29, 2001
Toshio Hata
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Nitride gallium compound semiconductor light emission device
Publication number
20010042860
Publication date
Nov 22, 2001
Toshio Hata
H01 - BASIC ELECTRIC ELEMENTS