Patents by Inventor Shuutaro Yuasa

Shuutaro Yuasa 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).

  • Fixing device and image forming apparatus
    Patent number: 8463166
    Abstract: A fixing device includes an image surface side separating member that separates a recording medium from a fixing member; an image surface side conveyance guiding member arranged downstream of the image surface side separating member; a non-image surface side separating member that separates the recording medium from a pressing member; and a non-image surface side conveyance guiding member arranged downstream of the non-image surface side separating member. When the image surface side conveyance guiding member is rotated about its rotation axis so as to be opened or closed, the image surface side separating member is also rotated or slid so as to be opened or closed simultaneously. When the non-image surface side conveyance guiding member is rotated about its rotation axis so as to be opened or closed, the non-image surface side separating member is also rotated or slid so as to be opened or closed simultaneously.
    Type: Grant
    Filed: March 7, 2011
    Date of Patent: June 11, 2013
    Assignee: Ricoh Company, Limited
    Inventors: Satoshi Ueno, Masanao Ehara, Tadashi Ogawa, Hiroshi Seo, Takamasa Hase, Takahiro Imada, Shuutaro Yuasa
  • Fixing device and image forming apparatus
    Publication number: 20110222926
    Abstract: A fixing device includes an image surface side separating member that separates a recording medium from a fixing member; an image surface side conveyance guiding member arranged downstream of the image surface side separating member; a non-image surface side separating member that separates the recording medium from a pressing member; and a non-image surface side conveyance guiding member arranged downstream of the non-image surface side separating member. When the image surface side conveyance guiding member is rotated about its rotation axis so as to be opened or closed, the image surface side separating member is also rotated or slid so as to be opened or closed simultaneously. When the non-image surface side conveyance guiding member is rotated about its rotation axis so as to be opened or closed, the non-image surface side separating member is also rotated or slid so as to be opened or closed simultaneously.
    Type: Application
    Filed: March 7, 2011
    Publication date: September 15, 2011
    Applicant: Ricoh Company, Limited
    Inventors: Satoshi Ueno, Masanao Ehara, Tadashi Ogawa, Hiroshi Seo, Takamasa Hase, Takahiro Imada, Shuutaro Yuasa