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Mikio Tazima
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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
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
Surface-roughening method
Patent number
7,687,323
Issue date
Mar 30, 2010
Sanken Electric Co., Ltd.
Tetsuji Matsuo
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
Light-emitting semiconductor device
Patent number
7,199,401
Issue date
Apr 3, 2007
Sanken Electric Co., Ltd.
Mikio Tazima
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
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
SURFACE-ROUGHENING METHOD
Publication number
20080261340
Publication date
Oct 23, 2008
Sanken Electric Co., Ltd.
Tetsuji Matsuo
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 SEMICONDUCTOR DEVICE HAVING A SILVER-BASE ALLOY ELECTRODE
Publication number
20070114515
Publication date
May 24, 2007
Sanken Electric Co., Ltd
Hidekazu Aoyagi
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
Light-emitting semiconductor device and method of fabrication
Publication number
20050184300
Publication date
Aug 25, 2005
Mikio Tazima
H01 - BASIC ELECTRIC ELEMENTS