Patents by Inventor Tsuyoshi Matsunaga

Tsuyoshi Matsunaga 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).

  • Patent number: 4652149
    Abstract: A dynamic pressure fluid bearing, and particularly a dynamic pressure fluid bearing for effectively ensuring a minute gap between the shaft of the dynamic pressure fluid bearing and a bearing. More particularly, fluid intervenes between the shaft and the bearing and these two rotate relative to each other in a non-contact state, and a part or the whole of the bearing is formed of resin and the resin is endowed with electrical conductivity.
    Type: Grant
    Filed: July 8, 1986
    Date of Patent: March 24, 1987
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masaki Nakaoka, Teruo Komatsu, Shinji Goto, Tsuyoshi Matsunaga