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Toshimi Chiba
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Kodaira, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Silicon carbide single crystal wafer and method for manufacturing t...
Patent number
8,790,461
Issue date
Jul 29, 2014
Showa Denko K.K.
Takayuki Maruyama
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Key switch structure
Patent number
8,759,698
Issue date
Jun 24, 2014
Oki Electric Industry Co., Ltd.
Toshimi Chiba
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Link structure and key switch structure
Patent number
8,642,904
Issue date
Feb 4, 2014
Oki Electric Industry Co., Ltd.
Toshimi Chiba
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Process for manufacturing wafer of silicon carbide single crystal
Patent number
7,785,414
Issue date
Aug 31, 2010
Bridgestone Corporation
Takayuki Maruyama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Key switch structure
Patent number
7,525,056
Issue date
Apr 28, 2009
Oki Electric Industry Co., Ltd.
Toshimi Chiba
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Keyboard apparatus
Patent number
7,288,733
Issue date
Oct 30, 2007
Oki Electric Industry Co., Ltd.
Shigeru Yamada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Key switch structure
Patent number
6,064,020
Issue date
May 16, 2000
Oki Electric Industry Co., Ltd.
Shigeru Yamada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Keyboard unit and key switch
Patent number
5,914,468
Issue date
Jun 22, 1999
Oki Electric Industry Co. Ltd.
Takashi Nishimura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Keyboard switch and method of manufacturing the same
Patent number
5,256,843
Issue date
Oct 26, 1993
Oki Electric Industry Co., Ltd.
Toshimi Chiba
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Spring-biased push-button switch having a spring-loaded tactile fee...
Patent number
4,927,990
Issue date
May 22, 1990
Oki Electric Industry Co., Ltd.
Kazuo Aoki
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
LINK STRUCTURE AND KEY SWITCH STRUCTURE
Publication number
20120292168
Publication date
Nov 22, 2012
Toshimi CHIBA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
KEY SWITCH STRUCTURE
Publication number
20120285811
Publication date
Nov 15, 2012
Oki Electric Industry Co., Ltd.
Toshimi CHIBA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Silicon Carbide Single Crystal Wafer and Method for Manufacturing t...
Publication number
20080213536
Publication date
Sep 4, 2008
Bridgestone Corporation
Takayuki Maruyama
C30 - CRYSTAL GROWTH
Information
Patent Application
Process For Manufacturing Wafer Of Silicon Carbide Single Crystal
Publication number
20080032880
Publication date
Feb 7, 2008
Bridgestone Corporaton
Takayuki Maruyama
C30 - CRYSTAL GROWTH
Information
Patent Application
Key switch structure
Publication number
20070235306
Publication date
Oct 11, 2007
Oki Electric Industry Co., Ltd.
Toshimi Chiba
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Keyboard apparatus
Publication number
20070125626
Publication date
Jun 7, 2007
Oki Electric Industry Co., Ltd.
Shigeru Yamada
H01 - BASIC ELECTRIC ELEMENTS