Patents by Inventor Toru Sumita

Toru Sumita 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).

  • Mount member for optical apparatus
    Patent number: 4390263
    Abstract: In a mount by which two desired components of an optical apparatus, such as a camera, are attached to or detached from each other by being moved relative to each other in sliding contact, a mount member has a mount surface formed on the component and is made of an oil-impregnated sintered stainless steel at least at the mount surface.
    Type: Grant
    Filed: May 4, 1981
    Date of Patent: June 28, 1983
    Assignee: Minolta Camera Kabushiki Kaisha
    Inventor: Toru Sumita