Patents Represented by Law Firm Armstrong, Westerman, Hattori, McLeland & Maughton
  • Full type ball bearing for turbochargers
    Patent number: 5228786
    Abstract: A full type ball bearing for turbochargers comprising an inner ring and an outer ring both made of steel and balls made of a ceramic.
    Type: Grant
    Filed: April 16, 1992
    Date of Patent: July 20, 1993
    Assignee: Koyo Seiko Co., Ltd.
    Inventors: Kiyoshi Tanimoto, Hiroaki Takebayashi, Kazuo Rokkaku