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Yasuhiro Kamii
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Niiza-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Overvoltage-protected light-emitting semiconductor device, and meth...
Patent number
7,897,497
Issue date
Mar 1, 2011
Sanken Electric Co., Ltd.
Yasuhiro Kamii
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Overvoltage-protected light-emitting semiconductor device
Patent number
7,449,727
Issue date
Nov 11, 2008
Sanken Electric Co., Ltd.
Junji Sato
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Light emitting diode having conductive reflecting layer
Patent number
7,446,342
Issue date
Nov 4, 2008
Sanken Electric Co., Ltd.
Mikio Tazima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor luminescent device and manufacturing method thereof
Patent number
7,202,510
Issue date
Apr 10, 2007
Sanken Electric Co., Ltd.
Yoshiki Tada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Light-emitting semiconductor device with a built-in overvoltage pro...
Patent number
7,173,311
Issue date
Feb 6, 2007
Sanken Electric Co., Ltd.
Junji Sato
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
OVERVOLTAGE-PROTECTED LIGHT-EMITTING SEMICONDUCTOR DEVICE, AND METH...
Publication number
20080308823
Publication date
Dec 18, 2008
Sanken Electric Co., Ltd.
Yasuhiro Kamii
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR LIGHT EMITTING DEVICE, METHOD OF FORMING THE SAME, AN...
Publication number
20080048202
Publication date
Feb 28, 2008
SANKEN ELECTRIC CO., LTD.
Mikio Tazima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor light emitting diode and method of manufacturing same
Publication number
20060193355
Publication date
Aug 31, 2006
Sanken Electric Co., Ltd
Mikio Tazima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Overvoltage-protected light-emitting semiconductor device
Publication number
20060181828
Publication date
Aug 17, 2006
Sanken Electric Co., Ltd
Junji Sato
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor luminescent device and manufacturing method thereof
Publication number
20060081834
Publication date
Apr 20, 2006
Sanken Electric Co., Ltd
Yoshiki Tada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Light-emitting semiconductor device with a built-in overvoltage pro...
Publication number
20050168899
Publication date
Aug 4, 2005
Sanken Electric Co., Ltd.
Junji Sato
H01 - BASIC ELECTRIC ELEMENTS