Patents by Inventor Toru Uchikoshi

Toru Uchikoshi 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).

  • Overhead wire tensioning device
    Patent number: 6439552
    Abstract: The overhead wire tensioning device of the present invention is improved in reliability and eliminates the need for constant maintenance work by protecting the slide mechanism between the cylinder case of the gas spring type overhead wire tensioning device and the cylinder rod, and the pivoting mechanism for the connecting rod connecting this cylinder with the overhead wire from external influences.
    Type: Grant
    Filed: November 3, 1999
    Date of Patent: August 27, 2002
    Assignees: Central Japan Railway Company, Dengyo Incorporated, NHK Spring Co., Ltd.
    Inventors: Satoshi Ageishi, Hiroshi Amano, Yoshio Narumiya, Toru Uchikoshi, Shoji Konta, Yoshinori Wakabayashi, Takeyoshi Shinbori, Takeshi Uchida