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Shoichi Kotoku
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Katsuta, JP
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last 30 patents
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Patent Grant
Semiconductor integrated circuit device having bipolar transistor a...
Patent number
5,666,072
Issue date
Sep 9, 1997
Hitachi, Ltd.
Fumio Murabayashi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Semiconductor integrated circuit device with built-in memory circui...
Patent number
5,377,136
Issue date
Dec 27, 1994
Hitachi, Ltd.
Yoji Nishio
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor integrated circuit device having bipolar transistor a...
Patent number
5,313,116
Issue date
May 17, 1994
Hitachi, Ltd.
Fumio Murabayashi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Semiconductor integrated circuit device with built-in memory circui...
Patent number
5,265,045
Issue date
Nov 23, 1993
Hitachi, Ltd.
Yoji Nishio
G11 - INFORMATION STORAGE
Information
Patent Grant
Bi-CMOS driver with two CMOS predrivers having different switching...
Patent number
5,059,821
Issue date
Oct 22, 1991
Hitachi, Ltd.
Fumio Murabayashi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Logic circuit using bipolar and field effect transistor, including...
Patent number
5,001,365
Issue date
Mar 19, 1991
Hitachi, Ltd.
Fumio Murabayashi
H03 - BASIC ELECTRONIC CIRCUITRY