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Masahiko Ogirima
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Shinjuku, JP
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last 30 patents
Information
Patent Grant
Semiconductor device
Patent number
4,860,086
Issue date
Aug 22, 1989
Hitachi, Ltd.
Tohru Nakamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device having a PN junction formed on an insulator film
Patent number
4,819,055
Issue date
Apr 4, 1989
Hitachi, Ltd.
Kazuo Nakazato
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of forming electrode of semiconductor device
Patent number
4,458,410
Issue date
Jul 10, 1984
Hitachi, Ltd.
Shojiro Sugaki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of diffusing an impurity
Patent number
4,373,975
Issue date
Feb 15, 1983
Hitachi, Ltd.
Mitsuo Nanba
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor substrate and a manufacturing method thereof
Patent number
4,276,114
Issue date
Jun 30, 1981
Hitachi, Ltd.
Yukio Takano
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Germanium-containing silicon nitride film
Patent number
4,126,880
Issue date
Nov 21, 1978
Hitachi, Ltd.
Yoichi Tamaki
H01 - BASIC ELECTRIC ELEMENTS