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Masahiko Yamaguchi

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  • Yokohama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Makeup base for skin removable with warm water
    • Patent number 9,968,542
    • Issue date May 15, 2018
    • Shiseido Company, Ltd.
    • Takahiro Kishina
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Waterproof structure for electronic device
    • Patent number 9,131,609
    • Issue date Sep 8, 2015
    • Honda Motor Co., Ltd.
    • Kazuyuki Ochiai
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Hair dye and hair dye composition
    • Patent number 8,118,881
    • Issue date Feb 21, 2012
    • Hodogaya Chemical Co., Ltd.
    • Masahiko Yamaguchi
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Heat sensitive recording material
    • Patent number 5,240,898
    • Issue date Aug 31, 1993
    • Hodogaya Chemical Co., Ltd.
    • Hiroyuki Yoshida
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Heat sensitive record sheet
    • Patent number RE33815
    • Issue date Feb 4, 1992
    • Hodogaya Chemical Co., Ltd.
    • Masahiko Yamaguchi
    • 503 - Record receiver having plural interactive leaves or a colorless color f...
  • Information Patent Grant

    Fluoran compound
    • Patent number 5,041,560
    • Issue date Aug 20, 1991
    • Hodogaya Chemical Co., Ltd.
    • Masahiko Yamaguchi
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Cycloalkene compounds useful in recording materials
    • Patent number 4,987,262
    • Issue date Jan 22, 1991
    • Hodogaya Chemical Co., Ltd.
    • Wakasugi Kazuyuki
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Pentadiene amino compound
    • Patent number 4,912,259
    • Issue date Mar 27, 1990
    • Hodogaya Chemical Co., Ltd.
    • Kazuo Kaneko
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Fluoran compounds
    • Patent number 4,612,558
    • Issue date Sep 16, 1986
    • Hodogaya Chemical Co., Ltd.
    • Mitsutoshi Anzai
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Fluoran compounds
    • Patent number 4,594,601
    • Issue date Jun 10, 1986
    • Hodogaya Chemical Co., Ltd.
    • Mitsutoshi Anzai
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Heat sensitive record sheet
    • Patent number 4,510,513
    • Issue date Apr 9, 1985
    • Hodogaya Chemical Co., Ltd.
    • Masahiko Yamaguchi
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Heat sensitive record sheet
    • Patent number 4,364,999
    • Issue date Dec 21, 1982
    • Hodogaya Chemical Co., Ltd.
    • Katsuichi Motohashi
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents