TREA

Shigeko Ohtani

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Management system of graphic data
    • Patent number 4,803,477
    • Issue date Feb 7, 1989
    • Hitachi, Ltd.
    • Takafumi Miyatake
    • G06 - COMPUTING CALCULATING COUNTING