TREA

Tsutomu Ishida

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  • Kanagawa-ken, JP
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Patents Grantslast 30 patents

  • 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

    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

    Polyimide
    • Patent number 5,470,943
    • Issue date Nov 28, 1995
    • Mitsui Toatsu Chemicals, Inc.
    • Yoshihiro Sakata
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Aromatic diamine and polyimide, and preparation process of same
    • Patent number 5,410,084
    • Issue date Apr 25, 1995
    • Mitsui Toatsu Chemicals, Inc.
    • Mitsunori Matsuo
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Polyimide and preparation process of same
    • Patent number 5,354,839
    • Issue date Oct 11, 1994
    • Mitsui Toatsu Chemicals, Incorporated
    • Wataru Yamashita
    • C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

  • Information Patent Application

    Manganese dry battery
    • Publication number 20030104275
    • Publication date Jun 5, 2003
    • Tsutomu Ishida
    • H01 - BASIC ELECTRIC ELEMENTS