Patents by Inventor Kiyoshi Terasaka

Kiyoshi Terasaka 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 capacitor
    Patent number: 4670814
    Abstract: An improved high-tension capacitor is proposed which uses no insulation oil or gas. Not only the dielectric layers in the capacitor elements are impregnated with synthetic resin, but also the capacitor elements are insulated with synthetic resin by impregnating the insulation material around the capacitor elements with synthetic resin. The insulating layer around the capacitor elements is formed with a plurality of air ducts.
    Type: Grant
    Filed: November 12, 1985
    Date of Patent: June 2, 1987
    Assignee: Risho Kogyo Co., Ltd.
    Inventors: Goro Matsui, Katsuyoshi Kiba, Kiyoshi Terasaka, Yuichi Aoyama