Hiroshi Kuriyama

Person

  • Nagano-ken, JP

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    Optical diaphragm and projector

    • Publication number 20070046905
    • Publication date Mar 1, 2007
    • SEIKO EPSON CORPORATION
    • Kesatoshi Takeuchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE