Yohei Kawada

Person

  • Yokohama, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Product delivery system

    • Patent number 8,447,703
    • Issue date May 21, 2013
    • Hitachi, Ltd.
    • Naohiro Yuasa
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Commodity information proposal system

    • Patent number 7,416,120
    • Issue date Aug 26, 2008
    • Hitachi, Ltd.
    • Yohei Kawada
    • G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents