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Kenichi Ishiwa

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  • Oyama-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Flame-retardant composition and article
    • Patent number 6,838,503
    • Issue date Jan 4, 2005
    • General Electric Compa
    • Ming Yin
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Method for the preparation of polycarbonate with reduced levels of...
    • Patent number 6,562,433
    • Issue date May 13, 2003
    • General Electric Company
    • Hiromi Ishida
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Optical data storage media
    • Patent number 6,022,942
    • Issue date Feb 8, 2000
    • General Electric Company
    • Kenichi Ishiwa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Aromatic polycarbonate resin composition
    • Patent number 5,973,101
    • Issue date Oct 26, 1999
    • General Electric Company
    • Shoichi Toshida
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Copolycarbonate compositions having improved surface appearance
    • Patent number 5,565,515
    • Issue date Oct 15, 1996
    • General Electric Company
    • Kenichi Ishiwa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Thermosetting resin compositions with low shrinkage
    • Patent number 5,489,655
    • Issue date Feb 6, 1996
    • General Electric Company
    • Tomoaki Shimoda
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polycarbonate resin compositions
    • Patent number 5,484,874
    • Issue date Jan 16, 1996
    • GE Plastics, Japan, Ltd.
    • Kenichi Ishiwa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Glass-reinforced polycarbonate resin composition
    • Patent number 5,420,192
    • Issue date May 30, 1995
    • General Electric Company
    • Kenichi Ishiwa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Optical-grade polycarbonate resin compositions
    • Patent number 5,418,269
    • Issue date May 23, 1995
    • GE Plastics Japan
    • Kenichi Ishiwa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polycarbonate resin compositions for optical use
    • Patent number 5,403,878
    • Issue date Apr 4, 1995
    • Kenichi Ishiwa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polycarbonate resin compositions
    • Patent number 5,389,713
    • Issue date Feb 14, 1995
    • GE Plastics Japan
    • Kenichi Ishiwa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

  • Information Patent Application

    Flame-retardant composition and article
    • Publication number 20030055138
    • Publication date Mar 20, 2003
    • Ming Yin
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...