Patents by Inventor Masatoshi Kanazawa

Masatoshi Kanazawa 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).

  • Method and apparatus for automatically assembling side gears, pinions and pinion shaft within differential case
    Patent number: 5400506
    Abstract: Method and apparatus for automatic assembling of a differential gear device, wherein a pair of pinions are introduced by a pinion support device into the chamber of a differential case through respective openings formed through the case, and the pinions are rotatably held between a pair of side gears disposed within the chamber, at respective symmetrical positions which are symmetrical with each other with respect to an axis of rotation of the side gears, so that the pinions are brought into meshing engagement with the side gears by a gear meshing device while one of the side gears is rotated about its axis by a rotating device and while the pinions are held at the respective symmetrical positions.
    Type: Grant
    Filed: November 22, 1993
    Date of Patent: March 28, 1995
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Manabu Ichiki, Masatoshi Kanazawa, Tsutomu Ishikawa
  • Method and apparatus for automatically assembling side gears, pinions and pinion shaft within differential case
    Patent number: RE35960
    Abstract: Method and apparatus for automatic assembling of a differential gear device, wherein a pair of pinions are introduced by a pinion support device into the chamber of a differential case through respective openings formed through the case, and the pinions are rotatably held between a pair of side gears disposed within the chamber, at respective symmetrical positions which are symmetrical with each other with respect to an axis of rotation of the side gears, so that the pinions are brought into meshing engagement with the side gears by a gear meshing device while one of the side gears is rotated about its axis by a rotating device and while the pinions are held at the respective symmetrical positions.
    Type: Grant
    Filed: November 7, 1996
    Date of Patent: November 17, 1998
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Manabu Ichiki, Masatoshi Kanazawa, Tsutomu Ishikawa