TREA

Takayoshi Shiraishi

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  • Chigasaki, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for data coding
    • Patent number 4,947,447
    • Issue date Aug 7, 1990
    • Hitachi, Ltd.
    • Shinichiro Miyaoka
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Electronic transaction system
    • Patent number 4,885,777
    • Issue date Dec 5, 1989
    • Hitachi, Ltd.
    • Kazuo Takaragi
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    IC card
    • Patent number 4,885,788
    • Issue date Dec 5, 1989
    • Hitachi, Ltd.
    • Kazuo Takaragi
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Method for image data coding
    • Patent number 4,831,659
    • Issue date May 16, 1989
    • Hitachi, Ltd.
    • Shinichiro Miyaoka
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    System for enciphering or deciphering data
    • Patent number 4,797,921
    • Issue date Jan 10, 1989
    • Hitachi, Ltd.
    • Takayoshi Shiraishi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE