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Takehiro Kajihara
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Komaki, JP
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last 30 patents
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Patent Grant
Beta-alumina solid electrolyte and process for production thereof
Patent number
5,691,082
Issue date
Nov 25, 1997
NGK Insulators, Ltd.
Masaharu Kajita
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Beta-alumina solid electrolyte
Patent number
5,612,154
Issue date
Mar 18, 1997
NGK Insulators, Ltd.
Masaharu Kajita
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Method of manufacturing high density silicon nitride sintered bodies
Patent number
5,194,201
Issue date
Mar 16, 1993
NGK Insulators, Ltd.
Shinichi Miwa
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Ceramic lid for sealing semiconductor element and method of manufac...
Patent number
5,122,862
Issue date
Jun 16, 1992
NGK Insulators, Ltd.
Takehiro Kajihara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Silicon nitride sintered bodies
Patent number
5,089,449
Issue date
Feb 18, 1992
NGK Insulators, Ltd.
Shinichi Miwa
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Discharge tube for a high pressure metal vapor discharge lamp and a...
Patent number
4,800,320
Issue date
Jan 24, 1989
NGK Insulators, Ltd.
Takehiro Kajihara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Ceramic envelope device for high-pressure discharge lamp
Patent number
4,731,561
Issue date
Mar 15, 1988
NGK Insulators, Ltd.
Hirotsugu Izumiya
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Discharge tube for a high pressure metal vapor discharge lamp and a...
Patent number
4,687,969
Issue date
Aug 18, 1987
NGK Insulators, Ltd.
Takehiro Kajihara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Ceramic envelope device for high-pressure discharge lamp
Patent number
4,665,344
Issue date
May 12, 1987
NGK Insulators, Ltd.
Takehiro Kajihara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Polycrystalline translucent alumina sintered body, a method for pro...
Patent number
4,495,116
Issue date
Jan 22, 1985
NGK Insulators, Ltd.
Masayuki Kaneno
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Polycrystalline translucent alumina sintered body, a method for pro...
Patent number
4,373,030
Issue date
Feb 8, 1983
NGK Insulators, Ltd.
Masayuki Kaneno
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES