Patents by Inventor Ryo-uji Musashi

Ryo-uji Musashi 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).

  • Device for detecting optical position
    Patent number: 6437859
    Abstract: A device for detecting optical position, comprising a photodetection unit 40 having a photodetection optical axis 37 and for outputting a photodetection signal corresponding to a light receiving position of a projected light beam, and a modulation grid 42 arranged on said photodetection optical axis and for equalizing distribution of light quantity of a received light beam, wherein a position of the light beam projected on the photodetection unit is detected based on said photodetection signal.
    Type: Grant
    Filed: June 23, 2000
    Date of Patent: August 20, 2002
    Assignee: Kabushiki Kaisha TOPCON
    Inventors: Fumio Ohtomo, Akio Kimura, Ryo-uji Musashi, Ikuo Ishinabe