TREA

Osamu Sawamura

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  • Yamato, JA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Body detecting device
    • Patent number 4,016,529
    • Issue date Apr 5, 1977
    • Canon Kabushiki Kaisha
    • Tsuneki Inuzuka
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Antijamming safety device for copying machine
    • Patent number 3,999,851
    • Issue date Dec 28, 1976
    • Canon Kabushiki Kaisha
    • Hisashi Sakamaki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Safety device for photocopying machine
    • Patent number 3,970,384
    • Issue date Jul 20, 1976
    • Canon Kabushiki Kaisha
    • Eisuke Yamamoto
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY