Patents by Inventor Seki Takayuki

Seki Takayuki 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).

  • Patent number: 5749037
    Abstract: In a fixing device which has a fixing roller, a first cleaning roller and, a second cleaning roller which is in contact with said first cleaning roller, rotational centers of the first cleaning roller, the second cleaning roller and the fixing roller are on the same straight line and the first cleaning roller and the second cleaning roller are movable along the straight line.
    Type: Grant
    Filed: March 14, 1996
    Date of Patent: May 5, 1998
    Assignee: Ricoh Company, Ltd.
    Inventor: Seki Takayuki