Kenzo Yamanaka

Person

  • Saitama-ken, JP

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    Optical system of optical pick-up

    • Publication number 20040213132
    • Publication date Oct 28, 2004
    • PENTAX CORPORATION
    • Kenzo Yamanaka
    • G11 - INFORMATION STORAGE