Patents by Inventor Tomohiro Sunasaki

Tomohiro Sunasaki 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).

  • Picture readers and method for controlling the same
    Patent number: 6628431
    Abstract: An image reader is composed of a read unit 2 provided with a contact member 21 which abuts an original bed 11 of a flat bed unit 1; and a pressing element 30 for causing the read unit 2 and the original bed 11 to press against each other. Also, the image reader is composed of an apparatus body 50 including a read unit 102 and an original bed 51; and an original cover 42 including a light source 43 and a diffusion plate 45 and attached to the apparatus body 50 in such a manner as to be freely opened and closed. The distance between a translucent original 41 placed on the original bed 51 and the light source 43 is variable according to the thickness of the translucent original 41.
    Type: Grant
    Filed: March 10, 1999
    Date of Patent: September 30, 2003
    Assignee: PFU Limited
    Inventors: Minoru Masuda, Masashi Matsumoto, Tomohiro Sunasaki, Yasunori Miyauchi