Patents by Inventor Shinya Kamiura

Shinya Kamiura 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).

  • Optical scanning apparatus, image forming apparatus, and scanning-line-change correcting method
    Patent number: 8089674
    Abstract: A first plastic lens and a second plastic lens constituting each imaging optical system are arranged on opposite sides of an optical deflector, so that main scanning directions of optical beams scanned by the single optical deflector become substantially parallel to each other, and the first plastic lens and the second plastic lens of at least one of the plurality of (four) imaging optical systems are formed such that secondary components at scanning positions on the (four) surfaces to be scanned are arranged in a same direction, and are molded by a same mold cavity.
    Type: Grant
    Filed: March 8, 2007
    Date of Patent: January 3, 2012
    Assignee: Ricoh Company, Limited
    Inventors: Eiichi Hayashi, Takamichi Ohhashi, Shinya Kamiura
  • OPTICAL SCANNING APPARATUS, IMAGE FORMING APPARATUS, AND SCANNING-LINE-CHANGE CORRECTING METHOD
    Publication number: 20070216983
    Abstract: A first plastic lens and a second plastic lens constituting each imaging optical system are arranged on opposite sides of an optical deflector, so that main scanning directions of optical beams scanned by the single optical deflector become substantially parallel to each other, and the first plastic lens and the second plastic lens of at least one of the plurality of (four) imaging optical systems are formed such that secondary components at scanning positions on the (four) surfaces to be scanned are arranged in a same direction, and are molded by a same mold cavity
    Type: Application
    Filed: March 8, 2007
    Publication date: September 20, 2007
    Inventors: Eiichi HAYASHI, Takamichi Ohhashi, Shinya Kamiura