Patents by Inventor Masahiro Taniucchi

Masahiro Taniucchi 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 photoconductor
    Patent number: 5387487
    Abstract: An electrophotographic photoconductor is composed of an electroconductive support, and a photoconductive layer formed on the electroconductive support, which contains a charge generating material and a charge transporting material consisting of an .alpha.-cyanostilbene compound of formula (I): ##STR1## wherein R.sup.1 and R.sup.2 each represent a phenyl group, a polycyclic aromatic group selected from the group consisting of a naphthyl group, an anthracenyl group, a phenanthrenyl group, and a pyrenyl group, or a heterocyclic group selected from the group consisting of a pyridyl group, a furanyl group, and a quinolyl group.
    Type: Grant
    Filed: August 28, 1992
    Date of Patent: February 7, 1995
    Assignee: Ricoh Company, Ltd.
    Inventors: Masayuki Shoshi, Masakatsu Shimoda, Masahiro Taniucchi, Akio Kojima, Masao Yoshikawa, Tetsuro Suzuki