Patents by Inventor Hideatsu Maeda

Hideatsu Maeda 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).

  • Photosensor having photosensitive part formed of purple membrane
    Patent number: 4804834
    Abstract: A photosensor uses as a photosensitive part thereof a purple membrane film which contains bacteriorhodopsin isolated from a highly halophilic bacterium and which generates a photoelectromotive force corresponding to the intensity of light absorbed, and uses as an amplifying part an FET.
    Type: Grant
    Filed: March 31, 1988
    Date of Patent: February 14, 1989
    Assignees: Agency of Industrial Science & Technology, Ministry of International Trade & Industry
    Inventors: Tatsuo Katsura, Hideatsu Maeda, Tsukasa Sakai, Keishiro Tsuda