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Michihiro Gonda

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  • Urawa, JP
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Patents Grantslast 30 patents

  • 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

    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

    Heat sensitive recording sheet
    • Patent number 4,839,334
    • Issue date Jun 13, 1989
    • Hodogaya Chemical Co, Ltd.
    • Toshiyuki Abe
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Xanthene derivative and a production process of the same
    • Patent number 4,749,796
    • Issue date Jun 7, 1988
    • Hodogaya Chemical Co., Ltd.
    • Hideyuki Sensui
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Fluoran compounds
    • Patent number 4,694,088
    • Issue date Sep 15, 1987
    • Hodogaya Chemical Co., Ltd.
    • Kazuo Kaneko
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    6-tetrahydrofurfurylaminofluoran compound useful as a color former...
    • Patent number 4,642,663
    • Issue date Feb 10, 1987
    • Hodogaya Chemical Co., Ltd.
    • Hideyuki Sensui
    • 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

    6-tetrahydrofurfurylaminofluoran compound useful as a color former
    • Patent number 4,597,795
    • Issue date Jul 1, 1986
    • Hodogaya Chemical Co., Ltd.
    • Hideyuki Sensui
    • 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 material
    • Patent number 4,550,329
    • Issue date Oct 29, 1985
    • Hodogaya Chemical Co., Ltd.
    • Michihiro Gonda
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Heat sensitive record material
    • Patent number 4,539,577
    • Issue date Sep 3, 1985
    • Hodogaya Chemical Co., Ltd.
    • Kazuo Kaneko
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • 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 material
    • Patent number 4,482,905
    • Issue date Nov 13, 1984
    • Hodogaya Chemical Co., Ltd.
    • Kazuo Kaneko
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Light transmitting particle for forming color image
    • Patent number 4,262,078
    • Issue date Apr 14, 1981
    • Matsushita Electric Industrial Co., Ltd.
    • Eisuke Ishida
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents