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Shoji Matsumoto

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Patents Grantslast 30 patents

  • Information Patent Grant

    IC chip mounting method
    • Patent number 5,048,179
    • Issue date Sep 17, 1991
    • Ricoh Company, Ltd.
    • Masahiro Shindo
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Thermal head
    • Patent number 5,041,847
    • Issue date Aug 20, 1991
    • Ricoh Company, Ltd.
    • Shoji Matsumoto
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Semiconductor diffusion type force sensing apparatus
    • Patent number 4,884,051
    • Issue date Nov 28, 1989
    • Ricoh Company, Ltd.
    • Junichi Takahashi
    • G01 - MEASURING TESTING