Patents by Inventor Yoshihito Sanpei

Yoshihito Sanpei 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).

  • PHOTO DIODE ARRAY
    Publication number: 20030085341
    Abstract: A photo diode array having improved linearity, wherein a plurality of photo diodes are arranged in an array with a plurality of electrodes connected to both ends of the light receiving surface of each photo diode to obtain current generated in each photo diode.
    Type: Application
    Filed: April 28, 2000
    Publication date: May 8, 2003
    Inventors: Makoto Komiyama, Yoshihito Sanpei, Akira Miura, Katsutoshi Sakakibara, Tsuyoshi Yakihara, Tadashige Fujita, Shinji Kobayashi, Sadaharu Oka, Yasukazu Akasaka
  • Photo diode array
    Patent number: 6552325
    Abstract: A photo diode array having improved linearity, wherein a plurality of photo diodes are arranged in an array with a plurality of electrodes connected to both ends of the light receiving surface of each photo diode to obtain current generated in each photo diode.
    Type: Grant
    Filed: April 28, 2000
    Date of Patent: April 22, 2003
    Assignee: Yokogawa Electric Corporation
    Inventors: Makoto Komiyama, Yoshihito Sanpei, Akira Miura, Katsutoshi Sakakibara, Tsuyoshi Yakihara, Tadashige Fujita, Shinji Kobayashi, Sadaharu Oka, Yasukazu Akasaka