Patents by Inventor Toehiyuki Kase

Toehiyuki Kase 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).

  • Position sensor for transmission type optical deflector and apparatus for correcting scanning position of scanning optical system
    Patent number: 6014205
    Abstract: A position sensor is provided for a transmission deflector which has a wedge-shaped transmission prism that is rotatably supported by a yoke member through a prism holder and an elastic member, and rotates in the forward and reverse directions via electromagnetic operation. A coated reflection layer is provided on a surface of the wedge-shaped transmission prism other than the transmission portion thereof through which the light can pass. A light emitter for emitting collimated light onto the reflection layer and an incident position detector for receiving the light reflected by the reflection layer and detecting the incident position of the light thereon are provided on the yoke member or a member integral therewith.
    Type: Grant
    Filed: July 17, 1998
    Date of Patent: January 11, 2000
    Assignee: Asahi Kogaku Kogyo Kabushiki Kaisha
    Inventors: Hiroshi Kanazawa, Toehiyuki Kase, Akihiro Tanaka, Mitsunori Iima