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Yuichiro Yamashita
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Sendai, JP
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last 30 patents
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Patent Grant
Semiconductor circuit capable of storing a plurality of analog or m...
Patent number
6,011,714
Issue date
Jan 4, 2000
Shibata; Tadashi
Tadashi Shibata
G11 - INFORMATION STORAGE
Information
Patent Grant
Nonvolatile semiconductor memory device capable of storing analog o...
Patent number
5,973,960
Issue date
Oct 26, 1999
Tadahiro OHMI and Tadashi Shibata
Tadashi Shibata
G11 - INFORMATION STORAGE
Information
Patent Grant
Non-volatile semiconductor memory device
Patent number
5,745,416
Issue date
Apr 28, 1998
Shibata; Tadashi
Tadashi Shibata
G11 - INFORMATION STORAGE