Patents by Inventor Masaki Sutoh

Masaki Sutoh 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 for manufacturing a developer support
    Patent number: 5769968
    Abstract: A method of making a developer support by forming an amorphous film on a metal substrate where the film is chromium, zinc with oxygen or hydrogen.
    Type: Grant
    Filed: August 26, 1996
    Date of Patent: June 23, 1998
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Masaki Sutoh, Shinichiro Fukunaga
  • Developing apparatus
    Patent number: 5589916
    Abstract: A developer support supplies a charge developer to an electrostatic latent image formed on an electrostatic latent image holder. The developer support has a nonmagnetic substrate in a shape of a hollow cylinder, wherein the substrate comprises at least one metal with an amorphous film formed on the nonmagnetic substrate. The amorphous film consists essentially of an element selected from Cr or Zn, the at least one metal, O, and H.
    Type: Grant
    Filed: May 27, 1994
    Date of Patent: December 31, 1996
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Masaki Sutoh, Shinichiro Fukunaga