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Katsuyoshi Oh-Ishi
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Kawasaki, JP
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last 30 patents
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Patent Grant
Sintered aluminum nitride and circuit substrate using sintered alum...
Patent number
5,641,718
Issue date
Jun 24, 1997
Kabushiki Kaisha Toshiba
Akihiro Horiguchi
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Ceramic circuit board having a thermal conductivity substrate
Patent number
5,622,769
Issue date
Apr 22, 1997
Kabushiki Kaisha Toshiba
Shoji Kozuka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Circuit substrate including insulating layer of aluminum nitride an...
Patent number
5,616,956
Issue date
Apr 1, 1997
Kabushiki Kaisha Toshiba
Akihiro Horiguchi
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Metal oxide resistor, power resistor, and power circuit breaker
Patent number
5,509,558
Issue date
Apr 23, 1996
Kabushiki Kaisha Toshiba
Motomasa Imai
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Method for manufacturing an aluminum nitride sintered body
Patent number
5,500,395
Issue date
Mar 19, 1996
Kabushiki Kaisha Toshiba
Fumio Ueno
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Aluminum nitride sintered body, method for manufacturing the same,...
Patent number
5,409,869
Issue date
Apr 25, 1995
Kabushiki Kaisha Toshiba
Fumio Ueno
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES