Tetu Hisatomi

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  • Tokyo, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Panel fence

    • Patent number 5,177,890
    • Issue date Jan 12, 1993
    • Iskra Industry Co., Ltd.
    • Tetu Hisatomi
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS