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Kenji Shibata
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Yokohama, JP
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last 30 patents
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Patent Grant
Nonvolatile semiconductor memory device
Patent number
4,912,534
Issue date
Mar 27, 1990
Kabushiki Kaisha Toshiba
Sumio Tanaka
G11 - INFORMATION STORAGE
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Patent Grant
CMOS semiconductor device
Patent number
4,740,827
Issue date
Apr 26, 1988
Kabushiki Kaisha Toshiba
Youichiro Niitsu
H01 - BASIC ELECTRIC ELEMENTS