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last 30 patents
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Patent Grant
Aluminum nitride sintered body and preparation thereof
Patent number
4,883,780
Issue date
Nov 28, 1989
Kabushiki Kaisha Toshiba
Mituo Kasori
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Circuit substrate comprising nitride type ceramics, method for prep...
Patent number
4,883,704
Issue date
Nov 28, 1989
Kabushiki Kaisha Toshiba
Hideki Sato
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Aluminum nitride-based sintered body of high thermal conductivity
Patent number
4,766,097
Issue date
Aug 23, 1988
Kabushiki Kaisha Toshiba
Kazuo Shinozaki
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Aluminum nitride sintered body and process for producing the same
Patent number
4,746,637
Issue date
May 24, 1988
Kabushiki Kaisha Toshiba
Mituo Kasori
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Aluminum nitride sintered body
Patent number
4,698,320
Issue date
Oct 6, 1987
Kabushiki Kaisha Toshiba
Mituo Kasori
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Circuit substrate having high thermal conductivity
Patent number
4,659,611
Issue date
Apr 21, 1987
Kabushiki Kaisha Toshiba
Nobuo Iwase
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES