Patents Assigned to Nippon Aspehrical Lens Co., Ltd.
  • Scanning optical system
    Patent number: 6330524
    Abstract: The present invention has the object to make an fØ lens constituting a scanning optical system such as a laser printer, etc., which is of a single lens configuration, and higher in resolution, thereby providing the f&thgr; lens provided with a lens performance so as to correspond to an A3 paper size or the like.
    Type: Grant
    Filed: May 20, 1999
    Date of Patent: December 11, 2001
    Assignee: Nippon Aspehrical Lens Co., Ltd.
    Inventors: Takatoshi Suzuki, Tingwen Xing