Patents by Inventor Hiromasa Shozi

Hiromasa Shozi 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).

  • Method of manufacturing electro-photographic photoreceptor
    Patent number: 5223363
    Abstract: Electrophotographic photoreceptors are made by the steps of cutting the surface of a cylindrical aluminum base such that the average surface roughness of 10 points is 0.5 to 1.0 .mu.m and the waviness is not more than 0.4 .mu.m; etching the surface of the base with nitric acid; and depositing a selenium-containing photoconductive material onto the surface of the base.
    Type: Grant
    Filed: February 13, 1989
    Date of Patent: June 29, 1993
    Assignee: Fuji Electric Co., Ltd.
    Inventor: Hiromasa Shozi