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Ryo Sato
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Yokohama, JP
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last 30 patents
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Patent Grant
Method of manufacturing semiconductor device
Patent number
5,068,704
Issue date
Nov 26, 1991
Kabushiki Kaisha Toshiba
Akio Nakagawa
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Method of manufacturing semiconductor device including substrate bo...
Patent number
4,935,386
Issue date
Jun 19, 1990
Kabushiki Kaisha Toshiba
Akio Nakagawa
H01 - BASIC ELECTRIC ELEMENTS