Akihiko Isao

Person

  • Saitama, JP

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    Phase shifter film and process for the same

    • Publication number 20070009810
    • Publication date Jan 11, 2007
    • ULVAC COATING CORPORATION
    • Susumu Kawada
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    Phase shifter film and process for the same

    • Publication number 20020009653
    • Publication date Jan 24, 2002
    • ULVAC COATING CORPORATION and MITSUBISHI DENKI KABUSHIKI KAISHA
    • Susumu Kawada
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    Phase-shifting photomask blank, phase-shifting photomask, method fo...

    • Publication number 20010018154
    • Publication date Aug 30, 2001
    • Ulvac Coating Corporation
    • Nobuyuki Yoshioka
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...