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Hiroaki Nakagawa

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Patents Grantslast 30 patents

  • Information Patent Grant

    Pellicle
    • Patent number 6,713,136
    • Issue date Mar 30, 2004
    • Mitsui Chemicals, Inc.
    • Takamasa Tsumoto
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Pellicle and producing method of mask with pellicle
    • Patent number 6,703,172
    • Issue date Mar 9, 2004
    • Mitsui Chemicals, Inc.
    • Minoru Fujita
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Method of manufacturing a pellicle
    • Patent number 6,335,126
    • Issue date Jan 1, 2002
    • Mitsui Chemicals, Inc.
    • Masahiro Kondou
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Mask protective device
    • Patent number 6,083,577
    • Issue date Jul 4, 2000
    • Mitsui Chemicals, Inc.
    • Hiroaki Nakagawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Pellicle structure and process for preparation thereof with dissolu...
    • Patent number 5,643,654
    • Issue date Jul 1, 1997
    • Mitsui Petrochemical Industries, Ltd.
    • Minoru Fujita
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Mask protective device
    • Patent number 5,601,955
    • Issue date Feb 11, 1997
    • Mitsui Petrochemical Industries, Ltd.
    • Minoru Fujita
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    High light-transmissive dust-proof body and method of preparing same
    • Patent number 5,246,767
    • Issue date Sep 21, 1993
    • Mitsui Petrochemical Industries, Ltd.
    • Tokinori Agou
    • G02 - OPTICS
  • Information Patent Grant

    Dust-proof film
    • Patent number 5,085,899
    • Issue date Feb 4, 1992
    • Mitsui Petrochemical Industries, Ltd.
    • Hiroaki Nakagawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Process for preparation of cellulose nitrate films
    • Patent number 5,055,568
    • Issue date Oct 8, 1991
    • Mitsui Petrochemical Industries, Ltd.
    • Hiroaki Nakagawa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Dust-proof film
    • Patent number 5,028,702
    • Issue date Jul 2, 1991
    • Mitsui Petrochemical Industries, Ltd.
    • Muneyuki Matsumoto
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Pellicle
    • Patent number 4,996,106
    • Issue date Feb 26, 1991
    • Mitsui Petrochemical Industries, Ltd.
    • Hiroaki Nakagawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Method of producing films using a peeling jig
    • Patent number 4,828,640
    • Issue date May 9, 1989
    • Mitsui Petrochemical Industries, Ltd.
    • Toshio Kaya
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Process for preparation of cellulose ester films
    • Patent number 4,812,279
    • Issue date Mar 14, 1989
    • Mitsui Petrochemical Industries, Ltd.
    • Hiroaki Nakagawa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for recovery of resorcinol from aqueous resorcinol solution...
    • Patent number 4,355,190
    • Issue date Oct 19, 1982
    • Mitsui Petrochemical Industries, Ltd.
    • Hirohiko Nambu
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Process for producing resorcinol
    • Patent number 4,339,615
    • Issue date Jul 13, 1982
    • Mitsui Petrochemical Industries Ltd.
    • Ichiro Imai
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Method for recovering resorcinol
    • Patent number 4,283,567
    • Issue date Aug 11, 1981
    • Mitsui Petrochemical Industries Ltd.
    • Hirohiko Nambu
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Process for preparing resorcinol
    • Patent number 4,283,570
    • Issue date Aug 11, 1981
    • Mitsui Petrochemical Industries Ltd.
    • Hiroaki Nakagawa
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Process for preparation of aromatic hydroperoxides
    • Patent number 4,267,387
    • Issue date May 12, 1981
    • Mitsui Petrochemical Industries Ltd.
    • Ichiro Imai
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Process for purification of crude resorcinol
    • Patent number 4,239,921
    • Issue date Dec 16, 1980
    • Mitsu, Petrochemical Industries, Ltd.
    • Isao Hashimoto
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Method for recovering resorcinol
    • Patent number 4,192,958
    • Issue date Mar 11, 1980
    • Mitsui Petrochemical Industries Ltd.
    • Isao Hashimoto
    • C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

  • Information Patent Application

    Pellicle with small gas generation amount
    • Publication number 20060115741
    • Publication date Jun 1, 2006
    • Mitsui Chemical, Inc.
    • Takashi Kozeki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Antistatic resin composition
    • Publication number 20050020761
    • Publication date Jan 27, 2005
    • Shiro Arai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Photomask unit, photomask device, projection exposure device, proje...
    • Publication number 20040028269
    • Publication date Feb 12, 2004
    • Osamu Yamabe
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Pellicle and producing method of mask with pellicle
    • Publication number 20030096178
    • Publication date May 22, 2003
    • Minoru Fujita
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Pellicle
    • Publication number 20020136965
    • Publication date Sep 26, 2002
    • Takamasa Tsumoto
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC