TREA

Yoshio Sugita

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  • Chiba, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electrophotographic member
    • Patent number 5,403,958
    • Issue date Apr 4, 1995
    • Hitachi Chemical Co., Ltd.
    • Yoshii Morishita
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Electrophotographic member
    • Patent number 5,352,834
    • Issue date Oct 4, 1994
    • Hitachi Chemical Company, Ltd.
    • Yoshii Morishita
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Electrophotographic member
    • Patent number 5,160,487
    • Issue date Nov 3, 1992
    • Hitachi Chemical Company, Ltd.
    • Yoshii Morishita
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Process for producing aromatic dicarboxylic acids
    • Patent number 4,831,189
    • Issue date May 16, 1989
    • Nippon Shokubai Kagaku Kogyo Co. Ltd.
    • Yoshinori Saito
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Polyoxyalkylene carbozole adduct
    • Patent number 4,814,462
    • Issue date Mar 21, 1989
    • Nihon Joryu Kogyo Co., Ltd
    • Naoji Kurata
    • C07 - ORGANIC CHEMISTRY