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JUNJI SATO
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SAITAMA, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Decorative part and process for producing the same
Patent number
8,178,222
Issue date
May 15, 2012
Citizen Holdings Co., Ltd.
Yukio Miya
A44 - HABERDASHERY JEWELLERY
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
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
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
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
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
Information
Patent Grant
Method of making substrates for nitride semiconductor devices
Patent number
7,186,620
Issue date
Mar 6, 2007
Sanken Electric Co., Ltd.
Koji Otsuka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Light-emitting semiconductor device having a quantum well active la...
Patent number
7,176,480
Issue date
Feb 13, 2007
Sanken Electric Co., Ltd.
Koji Ohtsuka
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
Information
Patent Grant
Compound semiconductor substrates and method of fabrication
Patent number
6,890,791
Issue date
May 10, 2005
Sanken Electric Co., Ltd.
Koji Ohtsuka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Rotor of small-sized motor
Patent number
6,677,692
Issue date
Jan 13, 2004
Citizen Watch Co., Ltd.
Junji Sato
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Titanium-base decoration member and method for curing the same
Patent number
6,451,129
Issue date
Sep 17, 2002
Citizen Watch Co., Ltd.
Masahiro Sato
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Impregnated cathode and method of manufacturing same, electron gun...
Patent number
6,425,793
Issue date
Jul 30, 2002
Sony Corporation
Yoji Hasegawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Impregnated cathode having varying surface porosity
Patent number
6,252,341
Issue date
Jun 26, 2001
Sony Corporation
Yoji Hasegawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Titanium or titanium alloy member and surface treatment method ther...
Patent number
6,221,173
Issue date
Apr 24, 2001
Citizen Watch Co., Ltd.
Yoshitsugu Shibuya
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Patents Applications
last 30 patents
Information
Patent Application
Decorative Part and Process for Producing the Same
Publication number
20100086756
Publication date
Apr 8, 2010
CITIZEN HOLDINGS CO., LTD.
Yukio Miya
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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
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
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
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
Information
Patent Application
Light-emitting semiconductor device having a quantum well active la...
Publication number
20050191778
Publication date
Sep 1, 2005
Sanken Electric Co., Ltd
Koji Ohtsuka
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
Information
Patent Application
Method of making substrates for nitride semiconductor devices
Publication number
20050118752
Publication date
Jun 2, 2005
Koji Otsuka
C30 - CRYSTAL GROWTH
Information
Patent Application
Compound semiconductor substrates and method of fabrication
Publication number
20040232440
Publication date
Nov 25, 2004
Sanken Electric Co., Ltd.
Koji Ohtsuka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
TITANIUM-BASE DECORATION MEMBER AND METHOD FOR CURING THE SAME
Publication number
20010053460
Publication date
Dec 20, 2001
MASAHIRO SATO
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...