TREA

Osamu Nittani

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for extraction
    • Patent number 5,034,132
    • Issue date Jul 23, 1991
    • Toyo Engineering Corporation
    • Hisashi Miyakawa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Method of removing solvent from chlorinated resin
    • Patent number 4,842,743
    • Issue date Jun 27, 1989
    • Asahi Denka Kogyo K.K.
    • Kageo Yoshida
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...