Patents Assigned to Murata Maunfacturing Co., Ltd.
  • Electroluminescent device containing electroluminescent particles each covered with moisture proof film
    Patent number: 4902929
    Abstract: An electroluminescent device comprises a luminous layer containing electroluminescent particles each covered with a moisture-proof film, which is formed by polymer, having network structure obtained by hydrolyzing metal alkoxide and causing polycondensation reaction. The moisture-proof film may contain pigment, or a film containing pigment may be formed to cover the electroluminescent particle.
    Type: Grant
    Filed: May 6, 1988
    Date of Patent: February 20, 1990
    Assignee: Murata Maunfacturing Co., Ltd.
    Inventors: Masahiro Toyoda, Katsuhiko Tanaka
  • Battery
    Patent number: D811995
    Type: Grant
    Filed: March 22, 2016
    Date of Patent: March 6, 2018
    Assignee: Murata Maunfacturing Co., Ltd.
    Inventors: Yoshiichi Horikoshi, Katsushige Kanno, Yusuke Tanji, Kenta Honda, Tsukasa Takahashi, Masayuki Kageyama