Patents by Inventor Tatsuya Soga

Tatsuya Soga 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).

  • Image forming apparatus having a toner diffuser
    Patent number: 6175711
    Abstract: The image forming apparatus is capable of preventing contamination of the rear surface of paper while minimizing the deterioration of the surface of the transfer roll. The image forming apparatus has an intermediate transfer belt for carrying a toner image visualized by a toner, a transfer roll pressed against the intermediate transfer belt, and a cleaning brush that is rotatable in contact with the transfer roll. This transfer roll acts to transfer the toner image carried on the belt to paper. The cleaning brush makes contact with the transfer roll to stir the toner adhering to the transfer roll.
    Type: Grant
    Filed: September 1, 1999
    Date of Patent: January 16, 2001
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Naoto Yoshino, Tatsuya Soga, Naoto Nishi, Yukio Hayashi, Takashi Kawabata, Shuji Iseki, Keiji Yamamoto, Nobuyoshi Komatsu, Norio Hokari
  • Image forming apparatus capable of reducing the skew of an image formed on a sheet
    Patent number: 6104899
    Abstract: In an image forming apparatus adapted to transfer a toner image formed on a photosensitive drum to an intermediate transfer belt, and thereafter to a sheet, the position of one end portion of a backup roll around which the intermediate transfer belt is passed is set regulatable, this end portion being fixed after the position thereof has been regulated. The position of one end portion of a driving roll, cleaning blades or photosensitive drum may be set regulatable. This arrangement enables the skew of an image formed on a sheet to be reduced.
    Type: Grant
    Filed: August 27, 1999
    Date of Patent: August 15, 2000
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Norio Hokari, Takashi Kawabata, Keiji Yamamoto, Naoto Yoshino, Naoto Nishi, Nobuyoshi Komatsu, Tatsuya Soga, Shuji Iseki, Yukio Hayashi