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Takashi Ota
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Kasugai-city, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Gripping jig for assembling, assembling device, and producing metho...
Patent number
8,091,875
Issue date
Jan 10, 2012
NGK Insulators, Ltd.
Kunihiko Yoshioka
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Luminous vessels
Patent number
7,843,137
Issue date
Nov 30, 2010
NGK Insulators, Ltd.
Keiichiro Watanabe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Gripping jig for assembling, assembling device, and producing metho...
Patent number
7,699,299
Issue date
Apr 20, 2010
NGK Insulators, Ltd.
Kunihiko Yoshioka
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Structures for supporting discharge lamps and illuminating system
Patent number
7,619,351
Issue date
Nov 17, 2009
NGK Insulators, Ltd.
Keiichiro Watanabe
F21 - LIGHTING
Information
Patent Grant
Zinc oxide-alumina-silica-based crystallized glass
Patent number
7,169,476
Issue date
Jan 30, 2007
NGK Insulators, Ltd.
Takashi Ota
F21 - LIGHTING
Information
Patent Grant
Glass material and glass ceramic product
Patent number
6,689,704
Issue date
Feb 10, 2004
NGK Insulators, Ltd.
Takashi Ota
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Glass-ceramic and reflecting mirror substrate
Patent number
6,652,973
Issue date
Nov 25, 2003
NGK Insulators, Ltd.
Takashi Ota
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Die and production method thereof, glass substrate and production m...
Patent number
6,379,777
Issue date
Apr 30, 2002
NGK Insulators, Ltd.
Takashi Ota
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Press-forming die for glass elements
Patent number
6,354,111
Issue date
Mar 12, 2002
NGK Insulators Ltd.
Takashi Ota
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Sealed fiber array and method for manufacturing a sealed fiber array
Patent number
6,215,944
Issue date
Apr 10, 2001
NGK Insulators, Ltd.
Takashi Ota
G02 - OPTICS
Information
Patent Grant
Optical transmitting member-holding structure
Patent number
6,195,495
Issue date
Feb 27, 2001
NGK Insulators, Ltd.
Takashi Ota
G02 - OPTICS
Information
Patent Grant
Heat-fused unitary ferrule and method for producing the same
Patent number
6,103,344
Issue date
Aug 15, 2000
NGK Insulators, Ltd.
Takashi Ota
B32 - LAYERED PRODUCTS
Information
Patent Grant
Optical fiber array
Patent number
6,027,253
Issue date
Feb 22, 2000
NGK Insulators, Ltd.
Takashi Ota
G02 - OPTICS
Information
Patent Grant
Optical fiber-fixing substrate, method of producing the same and op...
Patent number
5,991,492
Issue date
Nov 23, 1999
NGK Insulators, Ltd.
Takashi Ota
G02 - OPTICS
Information
Patent Grant
Method of measuring positions of optical transmission members
Patent number
5,946,099
Issue date
Aug 31, 1999
NGK Insulators, Ltd.
Takashi Ota
G02 - OPTICS
Information
Patent Grant
Optical fiber-fixing substrate, method of producing the same and op...
Patent number
5,835,659
Issue date
Nov 10, 1998
NGK Insulators, Ltd.
Takashi Ota
G02 - OPTICS
Information
Patent Grant
Method of fixing optical fiber array to substrate
Patent number
5,656,120
Issue date
Aug 12, 1997
NGK Insulators, Ltd.
Takashi Ota
G02 - OPTICS
Information
Patent Grant
Process for optically joining an optical fiber array to an opponent...
Patent number
5,482,585
Issue date
Jan 9, 1996
NGK Insulators, Ltd.
Takashi Ota
G02 - OPTICS
Information
Patent Grant
Optical collimator array including a spacer for receving a microlen...
Patent number
5,446,815
Issue date
Aug 29, 1995
NGK Insulators, Ltd.
Takashi Ota
G02 - OPTICS
Information
Patent Grant
Optical fiber connector including L-shaped positioning standard sur...
Patent number
5,379,361
Issue date
Jan 3, 1995
NGK Insulators, Ltd.
Koichiro Maekawa
G02 - OPTICS
Information
Patent Grant
Optical fiber connector and method of manufacturing the same
Patent number
5,379,360
Issue date
Jan 3, 1995
NGK Insulators, Ltd.
Takashi Ota
G02 - OPTICS
Information
Patent Grant
Optical fiber connector
Patent number
5,315,678
Issue date
May 24, 1994
Nippon Telegraph and Telephone Corporation
Koichiro Maekawa
G02 - OPTICS
Information
Patent Grant
V-shaped groove inspecting and working method
Patent number
4,989,338
Issue date
Feb 5, 1991
NGK Insulators, Ltd.
Hiroyuki Tsuji
G01 - MEASURING TESTING
Information
Patent Grant
Reinforcement for optical-fiber joint
Patent number
4,778,242
Issue date
Oct 18, 1988
NGK Insulators, Ltd.
Takashi Ota
G02 - OPTICS
Information
Patent Grant
Multicolor liquid crystal display panel
Patent number
4,733,947
Issue date
Mar 29, 1988
NGK Insulators, Ltd.
Takashi Ota
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
GRIPPING JIG FOR ASSEMBLING, ASSEMBLING DEVICE, AND PRODUCING METHO...
Publication number
20100095501
Publication date
Apr 22, 2010
NGK Insulators, Ltd.
Kunihiko Yoshioka
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Application
GRIPPING JIG FOR ASSEMBLING, ASSEMBLING DEVICE, AND PRODUCING METHO...
Publication number
20080122153
Publication date
May 29, 2008
NGK Insulators, Ltd.
Kunihiko Yoshioka
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Application
Structures for supporting discharge lamps and illuminating system
Publication number
20060220513
Publication date
Oct 5, 2006
NGK Insulators, Ltd.
Keiichiro Watanabe
F21 - LIGHTING
Information
Patent Application
Composite bodies
Publication number
20060222878
Publication date
Oct 5, 2006
NGK Insulators, Ltd.
Keiichiro Watanabe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Luminous vessels
Publication number
20060220558
Publication date
Oct 5, 2006
NGK Insulators, Ltd.
Keiichiro Watanabe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Zinc oxide-alumina-silica-based crystallized glass
Publication number
20050255984
Publication date
Nov 17, 2005
NGK Insulators, Ltd.
Takashi Ota
G02 - OPTICS
Information
Patent Application
Glass-ceramic and reflecting mirror substrate
Publication number
20030129414
Publication date
Jul 10, 2003
NGK Insulators, Ltd.
Takashi Ota
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
Glass material, glass ceramic product, and process for producing th...
Publication number
20020010064
Publication date
Jan 24, 2002
NGK Insulators, Ltd.
Takashi Ota
C03 - GLASS MINERAL OR SLAG WOOL