Patents by Inventor Nobuhiro Shinka

Nobuhiro Shinka 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).

  • Process for preparing magnetic coating composition
    Patent number: 5271857
    Abstract: The present invention provides a process for preparing a magnetic coating composition with use of magnetic particles containing carbon or magnetic particles consisting primarily of an iron carbide, the process being characterized in that the process includes the step of pre-kneading the magnetic particles with an organic solvent.
    Type: Grant
    Filed: January 31, 1992
    Date of Patent: December 21, 1993
    Assignee: Daikin Industries, Ltd.
    Inventors: Tadashi Ino, Nobuhiro Shinka, Shigeo Daimon