Patents by Inventor Kingo Kobayashi

Kingo Kobayashi 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).

  • Method for preparing a magnetic recording medium
    Patent number: 4976989
    Abstract: A method for preparing a magnetic recording medium comprises the steps of coating, on a non-magnetic support, a magnetic layer mainly containing ferromagnetic particles and a binder polymerizable by radiation exposure, conducting a calendering treatment, and thereafter conducting a radiation exposure treatment without winding up the magnetic layer.
    Type: Grant
    Filed: June 4, 1990
    Date of Patent: December 11, 1990
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Masashi Aonuma, Tsutomu Okita, Hiroshi Hashimoto, Kingo Kobayashi