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Yoshizumi Eto
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Hachioji, JA
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last 30 patents
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Patent Grant
Irregular ferroelectric element devised for single domain-wall motion
Patent number
4,088,391
Issue date
May 9, 1978
Hitachi, Ltd.
Akio Kumada
G02 - OPTICS
Information
Patent Grant
Irregular ferroelectric element devised for motion of plural domain...
Patent number
4,046,455
Issue date
Sep 6, 1977
Hitachi, Ltd.
Akio Kumada
G02 - OPTICS
Information
Patent Grant
Method and system for controlling electron beam quantity in camera...
Patent number
3,999,011
Issue date
Dec 21, 1976
Hitachi, Ltd.
Kazuhiro Sato
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method of and apparatus for controlling amount of electron beam in...
Patent number
3,975,657
Issue date
Aug 17, 1976
Hitachi, Ltd.
Kazuhiro Sato
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Two-level picture signal transmission system
Patent number
3,973,079
Issue date
Aug 3, 1976
Hitachi, Ltd.
Takahiko Fukinuki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Irregular ferroelectric element for controllable single domain
Patent number
3,936,146
Issue date
Feb 3, 1976
Hitachi, Ltd.
Akio Kumada
G02 - OPTICS