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Yoshiki Tada
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Niiza-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Semiconductor light-emitting element and semiconductor light-emitti...
Patent number
7,893,450
Issue date
Feb 22, 2011
Sanken Electric Co., Ltd.
Mikio Tazima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor light-emitting device and manufacturing method thereof
Patent number
7,723,732
Issue date
May 25, 2010
Sanken Electric Co., Ltd.
Mikio Tazima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Nitride-based semiconductor device of reduced voltage drop
Patent number
7,675,076
Issue date
Mar 9, 2010
Sanken Electric Co., Ltd.
Koji Otsuka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Nitride-based semiconductor device of reduced voltage drop, and met...
Patent number
7,671,375
Issue date
Mar 2, 2010
Sanken Electric Co., Ltd.
Koji Otsuka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Nitride-based semiconductor device
Patent number
7,400,000
Issue date
Jul 15, 2008
Sanken Electric Co., Ltd.
Koji Otsuka
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
Patents Applications
last 30 patents
Information
Patent Application
SEMICONDUCTOR LIGHT-EMITTING ELEMENT AND SEMICONDUCTOR LIGHT-EMITTI...
Publication number
20090026476
Publication date
Jan 29, 2009
Sanken Electric Co., Ltd
Mikio Tazima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR LIGHT-EMITTING DEVICE AND MANUFACTURING METHOD THEREOF
Publication number
20080128716
Publication date
Jun 5, 2008
SANKEN ELECTRIC CO., LTD.
Mikio Tazima
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
Nitride-based semiconductor device of reduced voltage drop, and met...
Publication number
20060175628
Publication date
Aug 10, 2006
Sanken Electric Co., Ltd
Koji Otsuka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Nitride-based semiconductor device of reduced voltage drop
Publication number
20060157730
Publication date
Jul 20, 2006
Sanken Electric Co., Ltd
Koji Otsuka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Nitride-based semiconductor device and method of fabrication
Publication number
20060094145
Publication date
May 4, 2006
Sanken Electric Co., Ltd
Koji Otsuka
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