TREA

Minoru Numata

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  • Iwaki, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Operation inputting apparatus
    • Patent number 5,877,749
    • Issue date Mar 2, 1999
    • Alps Electric Co., Ltd.
    • Sadakazu Shiga
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Operation inputting apparatus
    • Patent number 5,680,154
    • Issue date Oct 21, 1997
    • Alps Electric Co., Ltd.
    • Sadakazu Shiga
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Operational input apparatus
    • Patent number 5,570,110
    • Issue date Oct 29, 1996
    • Alps Electric Co., Ltd.
    • Sadakazu Shiga
    • G06 - COMPUTING CALCULATING COUNTING