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Akihiro Yamaguchi

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  • Kanagawa-ken, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of preventing scale adhesion to the surfaces of a polymeriza...
    • Patent number 6,291,600
    • Issue date Sep 18, 2001
    • Mitsui Chemicals, Inc.
    • Seiichi Masuko
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Aromatic hydroxycarboxylic acid resins and their use
    • Patent number 6,040,111
    • Issue date Mar 21, 2000
    • Mitsui Chemicals, Inc.
    • Akio Karasawa
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Liquid crystal polyamide-imide copolymer
    • Patent number 5,821,319
    • Issue date Oct 13, 1998
    • Mitsui Chemicals, Inc.
    • Atsushi Shibuya
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Preparation of degradable copolymers
    • Patent number 5,817,728
    • Issue date Oct 6, 1998
    • Mitsui Chemicals, Inc.
    • Chojiro Higuchi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Aromatic hydroxycarboxylic acid resins and their use
    • Patent number 5,798,422
    • Issue date Aug 25, 1998
    • Mitsui Toatsu Chemicals, Inc.
    • Akio Karasawa
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Process for treating plastic product
    • Patent number 5,780,704
    • Issue date Jul 14, 1998
    • Mitsui Chemicals, Inc.
    • Masanobu Ajioka
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Polyimide based resin composition
    • Patent number 5,763,537
    • Issue date Jun 9, 1998
    • Mitsui Toatsu Chemicals, Inc.
    • Tomomi Yoshimura
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Degradable aliphatic polyester formed products
    • Patent number 5,763,098
    • Issue date Jun 9, 1998
    • Mitsui Chemicals, Inc.
    • Taiji Kameoka
    • D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
  • Information Patent Grant

    Degradable aliphatic polyester formed products
    • Patent number 5,714,230
    • Issue date Feb 3, 1998
    • Mitsui Toatsu Chemicals, Inc.
    • Taiji Kameoka
    • D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
  • Information Patent Grant

    Aromatic dinitro and diamino intermediates
    • Patent number 5,710,334
    • Issue date Jan 20, 1998
    • Mitsui Toatsu Chemicals, Inc.
    • Yuko Ishihara
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Linear polyamic acid, linear polyimide and thermoset polyimide
    • Patent number 5,708,128
    • Issue date Jan 13, 1998
    • Mitsui Toatsu Chemicals, Inc.
    • Hideaki Oikawa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Purification process of aliphatic polyester
    • Patent number 5,679,767
    • Issue date Oct 21, 1997
    • Mitsui Toatsu Chemicals, Inc.
    • Hiroshi Suizu
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Epoxy acrylate resins and their uses
    • Patent number 5,677,398
    • Issue date Oct 14, 1997
    • Mitsui Toatsu Chemicals, Inc.
    • Toshihiro Motoshima
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Method of preventing scale adhesion to surfaces of polymerization t...
    • Patent number 5,674,953
    • Issue date Oct 7, 1997
    • Mitsui Toatsu Chemicals, Inc.
    • Seiichi Masuko
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Preparation process of degradable polymer
    • Patent number 5,637,631
    • Issue date Jun 10, 1997
    • Mitsui Toatsu Chemicals, Inc.
    • Ikumi Kitada
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Dyeing method
    • Patent number 5,630,849
    • Issue date May 20, 1997
    • Mitsui Toatsu Chemicals, Inc.
    • Taiji Kameoka
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    Polyimide intermediates
    • Patent number 5,631,377
    • Issue date May 20, 1997
    • Mitsui Toatsu Chemicals, Inc.
    • Mitsunori Matsuo
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polymer containing monomer units of chemically modified polyasparti...
    • Patent number 5,571,889
    • Issue date Nov 5, 1996
    • Mitsui Toatsu Chemicals, Inc.
    • Toshio Katoh
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Decomposable composite material
    • Patent number 5,556,711
    • Issue date Sep 17, 1996
    • Mitsui Toatsu Chemicals, Inc.
    • Masanobu Ajioka
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Resin forming compositions
    • Patent number 5,525,704
    • Issue date Jun 11, 1996
    • Mitsui Toatsu Chemicals, Inc.
    • Shoji Tamai
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Superabsorbent polymer and process for producing same
    • Patent number 5,525,682
    • Issue date Jun 11, 1996
    • Mitsui Toatsu Chemicals, Inc.
    • Akinori Nagatomo
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyimide based resin composition comprising cured phenolic resins...
    • Patent number 5,514,748
    • Issue date May 7, 1996
    • Mitsui Toatsu Chemicals, Inc.
    • Toshihiko Isutsumi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyimide
    • Patent number 5,508,377
    • Issue date Apr 16, 1996
    • Mitsui Toatsu Chemicals, Inc.
    • Wataru Yamashita
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyimide resin composition having excellent fatigue resistance and...
    • Patent number 5,506,291
    • Issue date Apr 9, 1996
    • Mitsui Toatsu Chemicals, Inc.
    • Yuichi Okawa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyimides, process for the preparation thereof and polyimide resin...
    • Patent number 5,506,311
    • Issue date Apr 9, 1996
    • Mitsui Toatsu Chemicals, Inc.
    • Shoji Tamai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Purification process of aliphatic polyester
    • Patent number 5,496,923
    • Issue date Mar 5, 1996
    • Mitsui Toatsu Chemicals, Inc.
    • Hiroshi Suizu
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyimide resin composition
    • Patent number 5,494,996
    • Issue date Feb 27, 1996
    • Mitsui Toatsu Chemicals Inc.
    • Shoji Tamai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Bismaleimide compounds
    • Patent number 5,484,948
    • Issue date Jan 16, 1996
    • Mitsui Toatsu Chemicals, Inc.
    • Keizaburo Yamaguchi
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Polyimide
    • Patent number 5,484,880
    • Issue date Jan 16, 1996
    • Mitsui Toatsu Chemicals, Inc.
    • Wataru Yamashita
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Preparation process of polysuccinimide
    • Patent number 5,484,945
    • Issue date Jan 16, 1996
    • Mitsui Toatsu Chemicals, Inc.
    • Akinori Nagatomo
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...