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Hiromi Matsuura
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Kodaira, JP
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last 30 patents
Information
Patent Grant
Semiconductor memory device with improved substrate arrangement to...
Patent number
5,805,513
Issue date
Sep 8, 1998
Hitachi, Ltd.
Yasushi Takahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Address multiplex semiconductor memory device for enabling testing...
Patent number
5,726,994
Issue date
Mar 10, 1998
Hitachi, Ltd.
Hiromi Matsuura
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor device test circuit having test enable circuitry and...
Patent number
5,596,537
Issue date
Jan 21, 1997
Texas Instruments Incorporated
Shunichi Sukegawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor memory device with improved substrate arrangement to...
Patent number
5,426,613
Issue date
Jun 20, 1995
Hitachi, Ltd.
Yasushi Takahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor memory
Patent number
5,301,142
Issue date
Apr 5, 1994
Hitachi, Ltd.
Yukihide Suzuki
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor memory device with improved substrate arrangement to...
Patent number
5,217,917
Issue date
Jun 8, 1993
Hitachi, Ltd.
Yasushi Takahashi
G11 - INFORMATION STORAGE
Information
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 integrated circuit device
Patent number
5,151,772
Issue date
Sep 29, 1992
Hitachi, Ltd.
Yasushi Takahashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor memorizing device
Patent number
4,849,939
Issue date
Jul 18, 1989
Hitachi, Ltd.
Masaya Muranaka
G11 - INFORMATION STORAGE
Information
Patent Grant
Dynamic RAM integrated circuit device
Patent number
4,551,820
Issue date
Nov 5, 1985
Hitachi, Ltd.
Hiromi Matsuura
G11 - INFORMATION STORAGE