Patents by Inventor Shiro Narukawa

Shiro Narukawa 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).

  • Photosensitive body for electrophotography containing amorphous silicon layers
    Patent number: 5164281
    Abstract: A photosensitive body for electrophotography has as its principal constituent a photoconductive layer having amorphous silicon with hydrogen, a surface layer having a greater optical band gap than the photoconductive layer formed on a photoconductive base member, and an intermediate layer sandwiched therebetween.
    Type: Grant
    Filed: November 29, 1989
    Date of Patent: November 17, 1992
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Takashi Hayakawa, Shoichi Nagata, Shiro Narukawa, Kazuki Wakita, Kunio Ohashi, Yoshikazu Fujiwara