Patents by Inventor Mitsuru Noro

Mitsuru Noro 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).

  • Electrophotographic photoreceptor with polycarbonate copolymer and butadiene
    Patent number: 5876892
    Abstract: An electrophotographic photoreceptor in which the surface of a photosensitive layer has a small friction coefficient without impairing the excellent electrophotographic characteristics and which has an enhanced oil resistance and does not cause light fatigue, the electrophotographic photoreceptor comprising an electroconductive support having formed thereon a photosensitive layer comprising at least a charge-generating agent, a charge-transfer agent and a binder resin, wherein the photosensitive layer contains a polycarbonate copolymer comprising a recurring unit represented by the general formula (I) as the binder resin: ##STR1## and a butadiene compound represented by the general formula (IV) as the charge-transfer agent: ##STR2##
    Type: Grant
    Filed: June 4, 1998
    Date of Patent: March 2, 1999
    Assignees: Shindengen Electric Manufacturing Co., LTD, Yamanashi Electronics Co., LTD.
    Inventors: Kenichi Fujimori, Yoshitaro Nakayama, Mitsuru Noro, Tetsuya Sakuma, Hajime Suzuki