Patents by Inventor Shuichi Kikukawa

Shuichi Kikukawa 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).

  • Vacuum switch and a vacuum switchgear using the same
    Patent number: 6144005
    Abstract: A vacuum insulation switch provided with a movable electrode, a stationary electrode and an earthing electrode, which are insulated from each other, in a vacuum container made of a conductive material which is earthed, and a switchgear using the same.
    Type: Grant
    Filed: July 14, 1998
    Date of Patent: November 7, 2000
    Assignee: Hitachi, Ltd.
    Inventors: Toru Tanimizu, Masato Kobayashi, Shuichi Kikukawa, Ayumu Morita, Minoru Suzuki, Yoshimi Hakamata, Katsunori Kojima, Yozo Shibata, Yoshitomo Gotoh, Makoto Terai, Takuya Okada, Naoki Nakatsugawa