Patents by Inventor Kohki Furuya

Kohki Furuya 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 having a protective layer
    Patent number: 4752549
    Abstract: An electrophotographic photoreceptor according to this invention has an electrically conductive support, a charge-generation layer, a charge-transport layer and a protective layer which consists essentially of a thermo-setting silicone resin and a polyvinyl acetal resin.The electrophotographic photoreceptor according to this invention has improved durability in repeated copying operations due to the inclusion of the polyvinyl acetal resin into the protective layer.
    Type: Grant
    Filed: October 27, 1986
    Date of Patent: June 21, 1988
    Assignee: Mitsubishi Chemical Industries Limited
    Inventors: Shigenori Otsuka, Kohki Furuya, Mamoru Nozomi