Patents by Inventor Kuniyoshi Muramatsu

Kuniyoshi Muramatsu 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).

  • Electrically conducting device for an electrode roller
    Patent number: 4864460
    Abstract: An electrically conducting device for use with an electrode roller suitable for causing the electrode roller, which removes electrostatic charges developed on the surface of a web or the like when the web is brought into sliding contact the roller or controls the charges into uniform ones, to conduct with respect to the ground or a power source. The conducting device includes an electrically conducting ring which is slidably fitted over the rotary shaft of the electrode roller. The conducting ring is prevented against rotation by rotation preventive means and is electrically connected through an electrically conducting member to the ground or power source.
    Type: Grant
    Filed: June 22, 1988
    Date of Patent: September 5, 1989
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Kuniyoshi Muramatsu, Masashi Higuchi, Yoshinori Ogi, Hisao Kaji, Katsuhiko Sano, Hirofumi Takagi, Satoru Nagai