TREA

Shigeru Yamaga

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Energy saving camera
    • Patent number 4,494,854
    • Issue date Jan 22, 1985
    • Ricoh Company, Ltd.
    • Shigeru Yamaga
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Automatic film winding apparatus for use with cameras
    • Patent number 4,180,315
    • Issue date Dec 25, 1979
    • Ricoh Company, Ltd.
    • Shiyozo Nozawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Motor-operated film winding apparatus
    • Patent number 4,175,846
    • Issue date Nov 27, 1979
    • Ricoh Company, Ltd.
    • Shiyozo Nozawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY