Patents by Inventor Hiroharu Yamazaki

Hiroharu Yamazaki 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 typesetting method and apparatus therefor
    Patent number: 4014031
    Abstract: A method and apparatus for making monocolor prints in a desired color wherein a web of photoconductive material is supplied as a photosensitive material, a desired length of segment is sheared from said web of photoconductive material, said material segment is electrically charged, the charged material is exposed by a phototypesetting machine to light through desired characters, numerals and/or other symbols in an original plate of said machine, and said exposed material is developed by the use of electrophotographic toner having a desired color.
    Type: Grant
    Filed: August 29, 1975
    Date of Patent: March 22, 1977
    Assignees: Sakata Shokai Ltd., Tokyo Broadcasting System, Inc.
    Inventors: Shigeru Hasegawa, Katsuyoshi Takai, Hiroharu Yamazaki, Sueo Kikkawa, Eizo Suyama