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Osamu Sakai
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Kodaira, JP
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last 30 patents
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Patent Grant
Semiconductor integrated circuit device having a plurality of memor...
Patent number
5,208,782
Issue date
May 4, 1993
Hitachi, Ltd.
Toshiyuki Sakuta
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Semiconductor memory
Patent number
5,177,743
Issue date
Jan 5, 1993
Hitachi, Ltd.
Takashi Shinoda
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Semiconductor memory with an improved dummy cell arrangement and wi...
Patent number
4,943,967
Issue date
Jul 24, 1990
Hitachi, Ltd.
Takashi Shinoda
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Semiconductor memory with an improved dummy cell arrangement and wi...
Patent number
4,817,052
Issue date
Mar 28, 1989
Hitachi, Ltd.
Takashi Shinoda
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Semiconductor memory with an improved dummy cell arrangement and wi...
Patent number
4,703,453
Issue date
Oct 27, 1987
Hitachi, Ltd.
Takashi Shinoda
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Semiconductor integrated circuit device
Patent number
4,437,135
Issue date
Mar 13, 1984
Hitachi, Ltd.
Masahiro Ogata
G11 - INFORMATION STORAGE