Patents Represented by Law Firm Birch, Steart, Kolasch & Birch
  • Dielectric ceramics and capacitor
    Patent number: 7968486
    Abstract: A dielectric ceramic and a capacitor comprising the dielectric ceramic are disclosed. The dielectric ceramic has a high dielectric constant that is stable over temperature, and has a small spontaneous polarization. The capacitor can reduce audible noise caused by an electrically induced strain in a power supply circuit.
    Type: Grant
    Filed: July 28, 2009
    Date of Patent: June 28, 2011
    Assignee: Kyocera Corporation
    Inventor: Katsuyoshi Yamaguchi
  • Isoprenoidamine compounds useful as antiulcer agents
    Patent number: 4900749
    Abstract: Novel isoprenoidamine compounds (I) which show antiulcer activity are provided.
    Type: Grant
    Filed: March 10, 1986
    Date of Patent: February 13, 1990
    Assignee: Shionogi & Co., Ltd.
    Inventors: Saichi Matsumoto, Masami Doteuchi, Takuji Mizui, Kentaro Hirai