TREA

Eiji O'shima

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus for suspension polymerization
    • Patent number 6,264,357
    • Issue date Jul 24, 2001
    • Tomoegawa Paper Co., Ltd.
    • Masafumi Kamiyama
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Method and apparatus of suspension polymerization
    • Patent number 6,140,394
    • Issue date Oct 31, 2000
    • Tomoegawa Paper Co.
    • Masafumi Kamiyama
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...