Patents by Inventor Seiji Ogasawara

Seiji Ogasawara 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).

  • Publication number: 20030214549
    Abstract: The present invention relates to an inkjet image forming apparatus recordable of non-margin images on a recording medium by discharging ink to regions within as well as out of the recording medium from a recording means, comprising an ink absorbing material for receiving ink dischargeed at a position protruded from the recording medium and a platen having a holding portion to hold the ink absorbing material and supporting the recording medium at a recording position. The holding section formed at the platen has an opening for receiving the ink and is formed with a wall for holding a periphery of the ink absorbing material and a rib supporting a bottom of the ink absorbing material.
    Type: Application
    Filed: May 12, 2003
    Publication date: November 20, 2003
    Applicant: Canon Kabushiki Kaisha
    Inventor: Seiji Ogasawara
  • Publication number: 20020175461
    Abstract: An image forming apparatus for forming an image on a recording medium with a recording head, comprising a conveying roller pair for conveying the recording medium, discharging roller pairs for conveying the recording medium in the downstream of the conveying roller pair, and a stepping motor for driving the conveying roller pair and the discharging roller pairs. A peak value of driving current of the stepping motor after a tailing edge of the recording medium passes the conveying roller pair is smaller than a peak value of driving current of the stepping motor before the tailing edge of the recording medium passes the conveying roller pair.
    Type: Application
    Filed: May 2, 2002
    Publication date: November 28, 2002
    Applicant: Canon Kabushiki Kaisha
    Inventor: Seiji Ogasawara
  • Patent number: 5899613
    Abstract: The present invention provides an image recording apparatus with an image recording unit for recording an image on a recording medium, a first conveyor for conveying the recording medium to an image recording portion of the image recording unit while bending the recording medium along a drive convey roller by means of the drive convey roller, and a second conveyor for conveying an elongated recording medium having a plurality of pin holes to the first conveyor. A guide capable of changing a contact area between the recording medium and the drive convey roller at a curved portion of the recording medium along the drive convey roller is also provided.
    Type: Grant
    Filed: March 27, 1997
    Date of Patent: May 4, 1999
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yasushi Koike, Yoji Ara, Jun Katayanagi, Masaaki Kakizaki, Nozomu Nishiberi, Seiji Ogasawara
  • Patent number: 5880754
    Abstract: An ink jet recording apparatus for recording on a recording medium using an ink jet recording head that records by discharging ink from ink discharge ports thereof. The ink jet recording apparatus includes a carriage that carries the ink jet recording head and reciprocally moves the head in a manner such that the recording head is opposite the recording medium, and the carriage includes a temperature stabilization portion contactable with the ink jet recording head carried on the carriage, wherein the temperature stabilization portion radiates heat generated by the ink jet recording head.
    Type: Grant
    Filed: May 26, 1995
    Date of Patent: March 9, 1999
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takeji Niikura, Yoji Ara, Tsutomu Shimada, Shoichi Kan, Masaaki Kakizaki, Nozomu Nishiberi, Yasushi Koike, Seiji Ogasawara
  • Patent number: 5725319
    Abstract: The present invention provides a sheet feeding apparatus comprising a sheet supporting means for supporting a sheet, a rotatable sheet supply means for feeding out the sheet supported by the sheet supporting means and a skew-feed correction means for correcting a skew-feed of the sheet by rotating the sheet in a plane including a surface of the sheet while the sheet is being fed by the rotatable sheet supply means.
    Type: Grant
    Filed: July 2, 1997
    Date of Patent: March 10, 1998
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiroyuki Saito, Tetsuo Suzuki, Makoto Kashimura, Masahiro Taniguro, Koichi Tanno, Haruyuki Yanagi, Tetsuhiro Nitta, Makoto Kawarama, Hiroyuki Kinoshita, Masaya Shinmachi, Tan At Ming, Kentaro Ohnuma, Seiji Ogasawara