Patents by Inventor Chido Yokokawa

Chido Yokokawa 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).

  • Radiation image pickup device and system
    Patent number: 6667480
    Abstract: A radiation image pickup device comprises an image pickup element for converting radiation into an electric signal and picking up an image of an object, a circuit substrate electrically connected to the image pickup element and provided with at least either a circuit for controlling the input signal to the image pickup element or a circuit for processing the output signal from the image pickup element, active elements arranged on the circuit substrate and constituting the circuit and radiation shielding members for shielding the active elements from radiation, the radiation shielding members having a surface area smaller than that of the circuit substrate.
    Type: Grant
    Filed: July 3, 2001
    Date of Patent: December 23, 2003
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kenji Kajiwara, Eiichi Takami, Chido Yokokawa
  • Radiation image pickup device and system
    Publication number: 20020011572
    Abstract: A radiation image pickup device comprises an image pickup element for converting radiation into an electric signal and picking up an image of an object, a circuit substrate electrically connected to the image pickup element and provided with at least either a circuit for controlling the input signal to the image pickup element or a circuit for processing the output signal from the image pickup element, active elements arranged on the circuit substrate and constituting the circuit and radiation shielding members for shielding the active elements from radiation, the radiation shielding members having a surface area smaller than that of the circuit substrate.
    Type: Application
    Filed: July 3, 2001
    Publication date: January 31, 2002
    Inventors: Kenji Kajiwara, Eiichi Takami, Chido Yokokawa