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Katsushige Hayashi

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Patents Grantslast 30 patents

  • Information Patent Grant

    Polymer film
    • Patent number 8,790,766
    • Issue date Jul 29, 2014
    • MGC Filsheet Co., Ltd.
    • Kenji Kato
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Retardation film
    • Patent number 8,451,540
    • Issue date May 28, 2013
    • MGC Filsheet Co., Ltd.
    • Kenji Kato
    • G02 - OPTICS
  • Information Patent Grant

    Semiconductor memory device and its testing method
    • Patent number 6,888,774
    • Issue date May 3, 2005
    • Renesas Technology Corp.
    • Takanobu Suzuki
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Aromatic polycarbonate
    • Patent number 6,255,436
    • Issue date Jul 3, 2001
    • Mitsubishi Chemical Corporation
    • Masatoshi Kimura
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Aromatic polycarbonate composition
    • Patent number 6,187,896
    • Issue date Feb 13, 2001
    • Mitsubishi Gas Chemical Company, Inc.
    • Masayuki Nakajima
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Production method of polycarbonate
    • Patent number 5,777,064
    • Issue date Jul 7, 1998
    • Mitsubishi Gas Chemical Company, Inc.
    • Katsushige Hayashi
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method for preparing polycarbonates by transesterification in a ste...
    • Patent number 5,457,174
    • Issue date Oct 10, 1995
    • Mitsubishi Gas Chemical Company, Inc.
    • Katsushige Hayashi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Method for preparing aromatic carbonate
    • Patent number 5,380,907
    • Issue date Jan 10, 1995
    • Mitsubishi Gas Chemical Company, Inc.
    • Masamichi Mizukami
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Process for producing carboxylated compound
    • Patent number 5,310,944
    • Issue date May 10, 1994
    • Mitsubishi Gas Chemical Company, Inc.
    • Takao Kawaki
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Anti-dazzling polycarbonate polarizing plate
    • Patent number 5,051,309
    • Issue date Sep 24, 1991
    • Mitsubishi Gas Chemical Co., Inc.
    • Takao Kawaki
    • G02 - OPTICS
  • Information Patent Grant

    Photosensitive polyimide precursor
    • Patent number 4,861,854
    • Issue date Aug 29, 1989
    • Mitsubishi Gas Chemical Company, Inc.
    • Akitoshi Sugio
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Photosensitive polyimide precursor and process for producing the same
    • Patent number 4,670,535
    • Issue date Jun 2, 1987
    • Mitsubishi Gas Chemical Company, Inc.
    • Akitoshi Sugio
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for producing oxalate diester
    • Patent number 4,473,705
    • Issue date Sep 25, 1984
    • Mitsubishi Gas Chemical Company, Inc.
    • Hiroshi Miyamori
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    POLYMER FILM
    • Publication number 20100136287
    • Publication date Jun 3, 2010
    • Kenji Kato
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Polyoxymethylene resin composition and molded article thereof
    • Publication number 20030105199
    • Publication date Jun 5, 2003
    • MITSUBISHI GAS CHEMICAL COMPANY, INC.
    • Masanori Furukawa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Semiconductor memory device and its testing method
    • Publication number 20030058730
    • Publication date Mar 27, 2003
    • Mitsubishi Denki Kabushiki Kaisha
    • Takanobu Suzuki
    • G11 - INFORMATION STORAGE