TREA

Kenichi Tsumuraya

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Printer case
    • Patent number 5,033,892
    • Issue date Jul 23, 1991
    • Seikosha Co., Ltd.
    • Kiyoshi Fujii
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Device for inspecting a printer
    • Patent number 5,001,655
    • Issue date Mar 19, 1991
    • Seikosha Co., Ltd.
    • Ryo Higano
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Printer
    • Patent number 4,815,876
    • Issue date Mar 28, 1989
    • Seikosha Co., Ltd.
    • Shogo Kobayashi
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Printer housing with web tensioning means
    • Patent number 4,526,489
    • Issue date Jul 2, 1985
    • Seikosha Co., Ltd.
    • Kenichi Tsumuraya
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS