TREA

Kanjirou Kawasaki

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  • Numazu, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Thermosensitive recording material
    • Patent number 4,980,337
    • Issue date Dec 25, 1990
    • Ricoh Company Ltd.
    • Kanjirou Kawasaki
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Thermosensitive recording material
    • Patent number 4,912,079
    • Issue date Mar 27, 1990
    • Ricoh Company, Ltd.
    • Kanjirou Kawasaki
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Heat sensitive transfer method
    • Patent number 4,580,152
    • Issue date Apr 1, 1986
    • Ricoh Co., Ltd.
    • Nobuhiro Takigawa
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Heat-sensitive transfer medium
    • Patent number 4,562,448
    • Issue date Dec 31, 1985
    • Ricoh Co., Ltd.
    • Hideo Watanabe
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Heat sensitive transfer medium
    • Patent number 4,529,993
    • Issue date Jul 16, 1985
    • Ricoh Co., Ltd.
    • Hideo Watanabe
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS