Patents by Inventor Chiharu Suyama

Chiharu Suyama 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).

  • Infrared sensor
    Patent number: 5243192
    Abstract: An infrared sensor comprises a substrate, a sensing unit formed on the substrate, and a signal processing circuit formed on the substrate. At least the signal processing circuit is covered with a conductive film to prevent the penetration of infrared radiation into the signal processing circuit so that noise generation attributable to the penetration of infrared radiation into the signal processing circuit is suppressed.
    Type: Grant
    Filed: March 28, 1991
    Date of Patent: September 7, 1993
    Assignee: Sony Corporation
    Inventors: Kazuo Miyauchi, Yoshitaka Natsume, Kohei Mandai, Chiharu Suyama