TREA

Koji Uji-Ie

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Organic secondary battery
    • Patent number 5,089,359
    • Issue date Feb 18, 1992
    • Ricoh Company, Ltd.
    • Toshiyuki Ohsawa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Organic secondary battery
    • Patent number 4,935,319
    • Issue date Jun 19, 1990
    • Ricoh Company, Ltd.
    • Toshiyuki Ohsawa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...