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Kiyoshi Fukuda
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Yokohama, JP
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last 30 patents
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Patent Grant
Dielectrically isolated semiconductor substrate
Patent number
4,878,957
Issue date
Nov 7, 1989
Kabushiki Kaisha Toshiba
Yoshihiro Yamaguchi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing compound semiconductor apparatus
Patent number
4,738,935
Issue date
Apr 19, 1988
Kabushiki Kaisha Toshiba
Masaru Shimbo
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of bonding crystalline silicon bodies
Patent number
4,671,846
Issue date
Jun 9, 1987
Kabushiki Kaisha Toshiba
Masaru Shimbo
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Patent Grant
Method of manufacturing semiconductor substrate
Patent number
4,638,552
Issue date
Jan 27, 1987
Kabushiki Kaisha Toshiba
Masaru Shimbo
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Glass composition for covering semiconductor element
Patent number
4,542,105
Issue date
Sep 17, 1985
Tokyo Shibaura Denki Kabushiki Kaisha
Kazuyoshi Furukawa
C03 - GLASS MINERAL OR SLAG WOOL