Patents by Inventor Takashi Muroshima

Takashi Muroshima 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).

  • Impregnated capacitor
    Patent number: 4131931
    Abstract: A rolled capacitor which includes metal foils interleaved with insulating films and wherein each of the films include metal layer on one side and a roughened surface on the other side.
    Type: Grant
    Filed: February 14, 1978
    Date of Patent: December 26, 1978
    Assignee: Nichicon Capacitor, Ltd.
    Inventors: Shigeyoshi Nishikawa, Takashi Muroshima, Hirokazu Sakaguchi, Morihiko Hasebe, Katsuji Katagiri, Kazuo Inoue