Patents by Inventor Yayoi Kobayashi

Yayoi 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).

  • Magnetic recording medium
    Patent number: 4698280
    Abstract: A magnetic recording medium having a magnetic layer and optionally a backing layer, wherein at least one of said magnetic layer and said backing layer contains a fungicide selected from the group consisting of 2-(4-thiazolyl) benzimidazole, N-(fluorodichloromethylthio)-phthalimide, N,N-dimethyl-N'-phenyl-N'-fluorodichloromethylthio-sulfamide.
    Type: Grant
    Filed: September 9, 1985
    Date of Patent: October 6, 1987
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Kiyomitsu Mine, Yayoi Kobayashi, Yasushi Kawaguchi, Hiroyuki Inokuma