Patents by Inventor Hideki Kitashima

Hideki Kitashima 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).

  • Dust core, ferromagnetic powder composition therefor, and method of making
    Patent number: 6102980
    Abstract: A ferromagnetic powder composition for dust cores contains a ferromagnetic metal powder and 0.1-15% by volume based on the powder of titania sol and/or zirconia sol. The composition is pressure molded and desirably annealed into a dust core which exhibits a high magnetic flux density, low coercivity, low loss and high mechanical strength.
    Type: Grant
    Filed: March 26, 1998
    Date of Patent: August 15, 2000
    Assignee: TDK Corporation
    Inventors: Masami Endo, Takeo Tsukada, Masaaki Kanasugi, Kazuhiro Okada, Hideharu Moro, Norishige Yamaguchi, Toshiaki Yamada, Hideki Kitashima