Yoshihiko Yamuchi

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for detecting foreign matter and device for realizing same
- Patent number 5,046,847
- Issue date Sep 10, 1991
- Hitachi Ltd.
- Toshihiko Nakata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY