TREA

Masami Tsunasawa

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of making rotary type wheels
    • Patent number 4,228,577
    • Issue date Oct 21, 1980
    • Ricoh Company, Ltd.
    • Takami Suzuki
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Serial printing apparatus
    • Patent number 4,126,400
    • Issue date Nov 21, 1978
    • Ricoh Company, Ltd.
    • Takami Suzuki
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS