Patents by Inventor Yasuhiro Aridome

Yasuhiro Aridome 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).

  • Polygon mirror scanner having an easily replaceable bearing
    Patent number: 7113317
    Abstract: A polygon mirror scanner is disclosed, comprising a rotor having a rotating shaft, a polygon mirror having a regular prism and having a mirror surface on each side thereof, and a magnet; a bearing device, rotatably bearing the rotor, having a radial bearing, a thrust bearing, and a stator yoke; and a stator having a coil facing the magnet with a predetermined distance therebetween, wherein the radial bearing and the thrust bearing are exchangeable at the end of their useful life while maintaining a desired level of high precision and tolerances for proper and efficient operation of the polygon mirror scanner.
    Type: Grant
    Filed: September 22, 2003
    Date of Patent: September 26, 2006
    Assignee: Ricoh Company, Ltd.
    Inventors: Fumikata Andoh, Hideki Konno, Shinobu Kanatani, Yasuhiro Aridome
  • Polygon mirror scanner having an easily replaceable bearing
    Patent number: 7106481
    Abstract: A polygon mirror scanner is disclosed, comprising a rotor having a rotating shaft, a polygon mirror having a regular prism and having a mirror surface on each side thereof, and a magnet; a bearing device, rotatably bearing the rotor, having a radial bearing, a thrust bearing, and a stator yoke; and a stator having a coil facing the magnet with a predetermined distance therebetween, wherein the radial bearing and the thrust bearing are exchangeable at the end of their useful life while maintaining a desired level of high precision and tolerances for proper and efficient operation of the polygon mirror scanner.
    Type: Grant
    Filed: July 25, 2005
    Date of Patent: September 12, 2006
    Assignee: Ricoh Company, Ltd.
    Inventors: Fumikata Andoh, Hideki Konno, Shinobu Kanatani, Yasuhiro Aridome
  • Polygon mirror scanner having an easily replaceable bearing
    Publication number: 20050253472
    Abstract: A polygon mirror scanner is disclosed, comprising a rotor having a rotating shaft, a polygon mirror having a regular prism and having a mirror surface on each side thereof, and a magnet; a bearing device, rotatably bearing the rotor, having a radial bearing, a thrust bearing, and a stator yoke; and a stator having a coil facing the magnet with a predetermined distance therebetween, wherein the radial bearing and the thrust bearing are exchangeable at the end of their useful life while maintaining a desired level of high precision and tolerances for proper and efficient operation of the polygon mirror scanner.
    Type: Application
    Filed: July 25, 2005
    Publication date: November 17, 2005
    Inventors: Fumikata Andoh, Hideki Konno, Shinobu Kanatani, Yasuhiro Aridome
  • Polygon mirror scanner having an easily replaceable bearing
    Publication number: 20040057093
    Abstract: A polygon mirror scanner is disclosed, comprising a rotor having a rotating shaft, a polygon mirror having a regular prism and having a mirror surface on each side thereof, and a magnet; a bearing device, rotatably bearing the rotor, having a radial bearing, a thrust bearing, and a stator yoke; and a stator having a coil facing the magnet with a predetermined distance therebetween, wherein the radial bearing and the thrust bearing are exchangeable at the end of their useful life while maintaining a desired level of high precision and tolerances for proper and efficient operation of the polygon mirror scanner.
    Type: Application
    Filed: September 22, 2003
    Publication date: March 25, 2004
    Inventors: Fumikata Andoh, Hideki Konno, Shinobu Kanatani, Yasuhiro Aridome