Patents by Inventor Yasutaka Oyamada

Yasutaka Oyamada 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).

  • High tension ceramic condenser
    Patent number: 3946290
    Abstract: An improved high voltage ceramic capacitor is disclosed which includes a ceramic body having electrode layers formed on opposite sides thereof. Novel terminals formed of material having a coefficient of expansion which is the same as, or nearly the same as, the material of the ceramic body are bonded to the electrode layers to prevent voids resulting from thermal stresses.
    Type: Grant
    Filed: August 9, 1974
    Date of Patent: March 23, 1976
    Assignee: TDK Electronics Co. Ltd.
    Inventors: Tsunehiko Yoshioka, Yasutaka Oyamada, Shoichi Iwaya, Minoru Sato
  • Through-type capacitor
    Patent number: D307000
    Type: Grant
    Filed: July 2, 1986
    Date of Patent: April 3, 1990
    Assignee: TDK Corporation
    Inventors: Setsuo Sasaki, Teruo Taguchi, Yasutaka Oyamada