Patents by Inventor Tadashi Kanasaku

Tadashi Kanasaku has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Spherical tetragonal barium titanate particles and process for producing the same
    Publication number: 20020090335
    Abstract: Spherical tetragonal barium titanate particles of the present invention have a perovskite crystal structure, an average particle diameter of 0.05 to 0.5 &mgr;m, a particle size distribution &sgr;g of not less than 0.70, and a ratio of Ba to Ti of 0.99:1 to 1.01:1. The spherical tetragonal barium titanate particles exhibit an excellent dispersibility as well as a high denseness, a high purity and excellent permittivity properties.
    Type: Application
    Filed: November 9, 2001
    Publication date: July 11, 2002
    Inventors: Toshiharu Harada, Yuji Mishima, Seiji Okazaki, Haruki Kurokawa, Hidetomo Unemoto, Kazuyoshi Murashige, Manabu Matsumoto, Tadashi Kanasaku