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Masahiro Hatanaka
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Hyogo, JP
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last 30 patents
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Patent Grant
Non-volatile semiconductor memory device
Patent number
5,600,164
Issue date
Feb 4, 1997
Mitsubishi Denki Kabushiki Kaisha
Natsuo Ajika
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Semiconductor memory cells having common contact hole
Patent number
4,984,199
Issue date
Jan 8, 1991
Mitsubishi Denki Kabushiki Kaisha
Masahiro Yoneda
G11 - INFORMATION STORAGE
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Patent Grant
Semiconductor memory device
Patent number
4,887,137
Issue date
Dec 12, 1989
Mitsubishi Denki Kabushiki Kaisha
Masahiro Yoneda
H01 - BASIC ELECTRIC ELEMENTS