Patents by Inventor Shinichi Tanada

Shinichi Tanada 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).

  • Sheet post-treatment apparatus of line-up free type
    Patent number: 5752154
    Abstract: The present invention provides a sheet post-treatment apparatus for receiving a sheet material on which an image was formed by an image forming apparatus and for post-treating such sheet material and for sending the sheet material to a next post-treatment apparatus. A sheet receiving opening has the same height as a sheet sending opening.
    Type: Grant
    Filed: February 28, 1996
    Date of Patent: May 12, 1998
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiroyoshi Maruyama, Yuji Takahashi, Yoshikuni Toyama, Shinichi Tanada, Toshihiko Kusumoto, Masahiko Yashiro
  • Automatic original feed apparatus
    Patent number: 5597153
    Abstract: The present invention provides an automatic original feed apparatus comprising an original stacking portion on which a plurality of originals can be rested, an introduction path for directing the original supplied from the original stacking portion to a reading portion, an annular reverse rotation path for reversely rotating the original discharged from the reading position and for directing the original to the reading position again, a discharge path for discharging the original discharged from the reading position onto a discharge portion, and original feed rotary members arranged in the introduction path, reverse rotation path and discharge path, respectively, and rotated in one direction.
    Type: Grant
    Filed: September 22, 1995
    Date of Patent: January 28, 1997
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiroyoshi Maruyama, Yuji Takahashi, Yoshikuni Toyama, Shinichi Tanada, Toshihiko Kusumoto, Masahiko Yashiro
  • Sheet post-treatment apparatus having tab trimmer
    Patent number: 5492315
    Abstract: The present invention provides a sheet post-treatment apparatus in which a tab sheet is used to sort sheet materials, comprising a tab trimmer for successively cutting each of plural tab forming sheet materials being supplied, to form tabs in the sheet materials at offset tab positions. The tab trimmer is in modular form which can be removed from the apparatus and replaced with another modular tab trimmer.
    Type: Grant
    Filed: February 3, 1994
    Date of Patent: February 20, 1996
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiroyoshi Maruyama, Yuji Takahashi, Yoshikuni Toyama, Shinichi Tanada, Toshihiko Kusumoto, Masahiko Yashiro
  • Sheet feeding device
    Patent number: 4799662
    Abstract: This specification discloses a sheet feeding device for feeding sheets from a sheet supporting bed such as a cassette or a deck, and more particularly a sheet feeding device having a sheet supporting bed holding sheets thereon and adapted to be removably mounted at a predetermined position in an image forming apparatus, a rotatable member for contacting the sheets on the sheet supporting bed and feeding the sheets when the sheet supporting bed is mounted at the predetermined position in the image forming apparatus, support means for supporting the rotatable member for idle rotation by a predetermined amount in a forward direction and a reverse direction, and intermittent means for intermittently connecting the support means to a drive source.
    Type: Grant
    Filed: February 5, 1988
    Date of Patent: January 24, 1989
    Assignee: Canon Kabushiki Kaisha
    Inventors: Seiji Sagara, Hiroyoshi Maruyama, Hiroyuki Miyake, Nobuhiro Kasama, Shinichi Tanada, Kazuo Kagiura, Takaji Yonemori, Yuji Hasegawa