Patents by Inventor Mihoyo Iwase

Mihoyo Iwase 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).

  • Magnetic recording medium and method for manufacturing the same
    Patent number: 6001479
    Abstract: A magnetic recording medium having a carbon protective layer for protecting a magnetic layer formed on a non-magnetic base includes a liquid lubrication layer formed by coating on the carbon protective layer. The liquid lubrication layer includes a hydrocarbon containing lubricant and a perfluoropolyether containing lubricant.
    Type: Grant
    Filed: May 30, 1996
    Date of Patent: December 14, 1999
    Assignee: Fuji Electric Co., Ltd
    Inventors: Teruhisa Yokosawa, Shinji Shirai, Katsuya Masuda, Yoichi Tei, Mihoyo Iwase