Patents by Inventor Tomofusa Imai

Tomofusa Imai 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: 20030175485
    Abstract: A magnetic recording medium includes the following: an electrical insulating film; a ferromagnetic metal thin film, a hard carbon film, and a lubricant layer formed on the surface of the electrical insulating film in the indicated order; and a back-coating layer formed on the back of the electrical insulating film. The number of dropouts is not more than 200, and the still life is not less than 10 minutes.
    Type: Application
    Filed: March 12, 2003
    Publication date: September 18, 2003
    Inventors: Kiyoshi Takahashi, Junichi Imamura, Tomofusa Imai