Patents by Inventor Kenichi Tanihata

Kenichi Tanihata 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).

  • Calendar roll cleaning apparatus
    Patent number: 6729230
    Abstract: The present invention relates to a calender roll cleaning apparatus for smoothing a surface of a magnetic layer of a magnetic recording medium passed through a plurality of calender rolls. The cleaning apparatus comprises a wiping cloth feeding apparatus that feeds a calender roll surface wiping cloth at a definite rate and tension. A cleaning liquid supplying apparatus supplies a controlled amount of cleaning liquid such that the cleaning liquid permeates into the wiping cloth fed from the wiping cloth feeding apparatus. A wiping cloth pressing apparatus presses the permeated wiping cloth at a controlled pressing load.
    Type: Grant
    Filed: July 7, 2000
    Date of Patent: May 4, 2004
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Masayuki Okawa, Kenichi Tanihata