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Ryuma Takashi
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Tokyo, JP
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last 30 patents
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Patent Grant
Processed substrate obtained by a process for effecting suppression...
Patent number
5,589,270
Issue date
Dec 31, 1996
Hitachi, Ltd.
Fumio Murai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method for suppression of electrification
Patent number
5,437,893
Issue date
Aug 1, 1995
Hitachi, Ltd.
Fumio Murai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method for suppression of electrification
Patent number
5,256,454
Issue date
Oct 26, 1993
Hitachi, Ltd.
Fumio Murai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY