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Yoshitomo Tanaka

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Patents Grantslast 30 patents

  • Information Patent Grant

    Porous stamp material for laser processing, porous stamp using the...
    • Patent number 10,189,212
    • Issue date Jan 29, 2019
    • Glory Industry Co., Ltd.
    • Yoshitomo Tanaka
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Porous resin stamp
    • Patent number 6,862,987
    • Issue date Mar 8, 2005
    • Sunlux Corporation
    • Shigeru Kitahara
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Method of producing a porous resin stamp
    • Patent number 6,645,418
    • Issue date Nov 11, 2003
    • Sunlux Corporation
    • Shigeru Kitahara
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents