Patents by Inventor Motohiko Nagase

Motohiko Nagase 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: 6168315
    Abstract: A bearing unit with tone wheel includes a first seal member made from a metal plate having an elastic member, and a second seal member provided outside the first seal member and placed in sliding contact with the elastic member. The tone wheel is attached to the outside face of the second seal member.
    Type: Grant
    Filed: July 20, 1999
    Date of Patent: January 2, 2001
    Assignee: NSK Ltd.
    Inventors: Motohiko Nagase, Hideo Ouchi
  • Patent number: 6042272
    Abstract: In a rolling bearing with a sealing device, first and second flat portions are formed in part of first and second core members constituting seal rings, respectively. The first and second flat portions oppose inner side faces of first and second engaging grooves. By restricting the dimensions of various portions, the seal rings are prevented from being rotated with respect to the shaft or the outer race supporting the seal rings, or from being deviated in the axial direction.
    Type: Grant
    Filed: January 22, 1997
    Date of Patent: March 28, 2000
    Assignee: NSK Ltd.
    Inventor: Motohiko Nagase
  • Patent number: 5947611
    Abstract: A bearing unit with tone wheel includes a first seal member made from a metal plate having an elastic member, and a second seal member provided outside the first seal member and placed in sliding contact with the elastic member. The tone wheel is attached to the outside face of the second seal member.
    Type: Grant
    Filed: January 22, 1997
    Date of Patent: September 7, 1999
    Assignee: NSK Ltd.
    Inventor: Motohiko Nagase