Patents by Inventor Norio Mizukami

Norio Mizukami 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).

  • Electrophotographing method
    Patent number: 4325625
    Abstract: An electrophotographing method for use in a copying apparatus employing a sensitizing screen having a great number of fine apertures, made in a drum shape, and a transferring means having a conductive base plate and a charge storage layer formed on the base plate. The transferring means is constructed in the form of a drum. During the process of obtaining a great number of copies from a primary electrostatic latent image which has been stored on the sensitizing means, a secondary electrostatic latent image is formed and regenerated on the transferring means from the stored primary latent image.
    Type: Grant
    Filed: September 13, 1979
    Date of Patent: April 20, 1982
    Assignee: Olympus Optical Company Limited
    Inventors: Toshio Nakatsubo, Kaoru Ohyoshi, Masaji Nishikawa, Eiichi Sato, Norio Mizukami, Akira Shimizu, Kazuhisa Yanagisawa, Kenichi Oinoue, Naotsune Tsuda, Yoshiro Suzuki