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Tetsuji MATSUO
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Niiza-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Semiconductor photocathode and method for manufacturing the same
Patent number
8,981,338
Issue date
Mar 17, 2015
Sanken Electric Co., Ltd.
Shunro Fuke
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device having nitride semiconductor layer
Patent number
8,704,207
Issue date
Apr 22, 2014
Sanken Electric Co., Ltd.
Masataka Yanagihara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor wafer and semiconductor device having multilayered ni...
Patent number
8,569,796
Issue date
Oct 29, 2013
Sanken Electric Co., Ltd.
Tetsuji Matsuo
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor light emitting device
Patent number
8,217,408
Issue date
Jul 10, 2012
Sanken Electric Co., Ltd.
Tetsuji Matsuo
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Light-emitting semiconductor device
Patent number
8,120,049
Issue date
Feb 21, 2012
Sanken Electric Co., Ltd.
Tetsuji Matsuo
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
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
Light-emitting semiconductor device protected against reflector met...
Patent number
7,659,553
Issue date
Feb 9, 2010
Sanken Electric Co., Ltd.
Takashi Kato
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Light-emitting semiconductor device having an overvoltage protector
Patent number
7,405,431
Issue date
Jul 29, 2008
Sanken Electric Co., Ltd.
Hidekazu Aoyagi
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
LIGHT-EMITTING DEVICE
Publication number
20170345981
Publication date
Nov 30, 2017
Sanken Electric Co., Ltd
Tetsuji MATSUO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE HAVING A SEMICONDUCTOR DBR LAYER
Publication number
20150139261
Publication date
May 21, 2015
Sanken Electric Co., Ltd
Tetsuji MATSUO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR PHOTOCATHODE AND METHOD FOR MANUFACTURING THE SAME
Publication number
20130248815
Publication date
Sep 26, 2013
HAMAMATSU PHOTONICS K. K.
Shunro FUKE
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE HAVING NITRIDE SEMICONDUCTOR LAYER
Publication number
20120326160
Publication date
Dec 27, 2012
Sanken Electric Co., Ltd
Masataka YANAGIHARA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR WAFER AND SEMICONDUCTOR DEVICE HAVING MULTILAYERED NI...
Publication number
20120181577
Publication date
Jul 19, 2012
Sanken Electric Co., Ltd
Tetsuji MATSUO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR LIGHT EMITTING DEVICE
Publication number
20090236628
Publication date
Sep 24, 2009
Sanken Electric Co., Ltd
Tetsuji MATSUO
H01 - BASIC ELECTRIC ELEMENTS
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
LIGHT-EMITTING SEMICONDUCTOR DEVICE
Publication number
20080315232
Publication date
Dec 25, 2008
Sanken Electric Co., Ltd.
Tetsuji Matsuo
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
LIGHT-EMITTING SEMICONDUCTOR DEVICE PROTECTED AGAINST REFLECTOR MET...
Publication number
20070290215
Publication date
Dec 20, 2007
Sanken Electric Co., Ltd
Takashi Kato
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
Migration-proof light-emitting semiconductor device and method of f...
Publication number
20060065901
Publication date
Mar 30, 2006
Sanken Electric Co., Ltd.
Hidekazu Aoyagi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Light-emitting semiconductor device having an overvoltage protector...
Publication number
20060056123
Publication date
Mar 16, 2006
Sanken Electric Co., Ltd.
Hidekazu Aoyagi
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