Patents Assigned to Osaka Yuki Kagakuo Kogyo Kabushiki Kaisha
  • Photochromic-electrochromic intercalation compound
    Patent number: 4875762
    Abstract: A compound is disclosed which excels in thermal resistance and acidproofness, fits application on a surface and fabrication, and exhibits both photochromism and electrochromism.
    Type: Grant
    Filed: April 8, 1988
    Date of Patent: October 24, 1989
    Assignee: Osaka Yuki Kagakuo Kogyo Kabushiki Kaisha
    Inventors: Chuzo Kato, Kazuyuki Kuroda