Patents by Inventor Hiroki Hyama

Hiroki Hyama 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).

  • Image capture device having amplification circuit for amplifying signal from photoelectric conversion portion
    Patent number: 7460164
    Abstract: An image capture device includes a plurality of image capture elements for capturing an object image, a plurality of vertical output lines for reading signals out of the plurality of image capture elements, and a plurality of processing circuits. Each processing circuit includes a first capacitor element having a first electrode connected to one of the plurality of vertical output lines, a differential amplifier having a first input terminal connected to a second electrode of the first capacitor element, a second capacitor element connected between the first input terminal and an output terminal of the differential amplifier, and a first switch configured to control conduction between the first input terminal and the output terminal of the differential amplifier.
    Type: Grant
    Filed: January 21, 2005
    Date of Patent: December 2, 2008
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiroki Hyama, Akira Okita, Hideaki Takada, Katsuhito Sakurai