Patents by Inventor Kazuyoshi Shimoyama

Kazuyoshi Shimoyama 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).

  • Patent number: 5332643
    Abstract: An electrophotographic photoreceptor is disclosed, including a substrate having thereon a photosensitive layer, wherein the substrate is subjected to a wet honing treatment with an abrasive agent which has a Knoop hardness of 1500 to 2900 kg/mm.sup.2, a 50% particle size of 5 to 55 .mu.m in terms of cumulative percentage, and a bulk specific gravity of 0.75 to 1.6 g/ml, at a spraying speed of 20 to 75 m/sec.
    Type: Grant
    Filed: September 14, 1993
    Date of Patent: July 26, 1994
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Yusuke Harada, Hidekazu Aonuma, Kazuyoshi Shimoyama, Yasuo Sakaguchi