Patents by Inventor Ichiro Imaho

Ichiro Imaho 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 elements for electrophotography
    Patent number: 4278746
    Abstract: A photosensitive element for electrophotography which comprises a conductive support, a charge generating layer containing a charge generating substance, and a charge transporting layer. The element comprises a polymeric binder containing a charge transporting substance represented by the formula (I). ##STR1## wherein n represents 0 or 1, R.sub.1, R.sub.2 and R.sub.3 each represent an aryl group, and R.sub.4 and R.sub.5 each represent a hydrogen, an alkyl group having 1-4 carbon atoms, an aryl group or an aralkyl group, provided that R.sub.4 and R.sub.5 are not simultaneously a hydrogen, and when n is 0, R.sub.4 is not hydrogen.
    Type: Grant
    Filed: June 14, 1979
    Date of Patent: July 14, 1981
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Satoshi Goto, Yoshiaki Takei, Ichiro Imaho, Hiroyuki Nomori