Patents by Inventor Takafumi YONEYAMA

Takafumi YONEYAMA 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).

  • Roll supporting mechanism, image forming apparatus and assembly body
    Patent number: 8571433
    Abstract: A roll supporting mechanism rotatably supports an electrically-conducted roll. The roll supporting mechanism includes an electrically-conducting portion that contacts with a circumferential portion of an outer periphery of the electrically-conducted roll to conduct electricity to the electrically-conducted roll, and an insulating portion that contacts with the other circumferential portion of the outer periphery of the electrically-conducted roll at a contact portion smaller than a contact portion of the electrically-conducting portion and that is formed by an insulating material.
    Type: Grant
    Filed: September 27, 2010
    Date of Patent: October 29, 2013
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Satoru Hori, Takafumi Yoneyama
  • ROLL SUPPORTING MECHANISM, IMAGE FORMING APPARATUS AND ASSEMBLY BODY
    Publication number: 20110211872
    Abstract: A roll supporting mechanism rotatably supports an electrically-conducted roll. The roll supporting mechanism includes an electrically-conducting portion that contacts with a circumferential portion of an outer periphery of the electrically-conducted roll to conduct electricity to the electrically-conducted roll, and an insulating portion that contacts with the other circumferential portion of the outer periphery of the electrically-conducted roll at a contact portion smaller than a contact portion of the electrically-conducting portion and that is formed by an insulating material.
    Type: Application
    Filed: September 27, 2010
    Publication date: September 1, 2011
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Satoru HORI, Takafumi YONEYAMA