Katsutoshi Sato

Person

  • Hitachi, JP

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    Digital information sales method

    • Publication number 20010029491
    • Publication date Oct 11, 2001
    • Hitachi, Ltd.
    • Koichi Yoneta
    • G06 - COMPUTING CALCULATING COUNTING