Patents by Inventor Hiroko Morll

Hiroko Morll 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).

  • Black magnetic toner
    Publication number: 20030073016
    Abstract: Black magnetic toner comprising:
    Type: Application
    Filed: May 10, 2002
    Publication date: April 17, 2003
    Applicant: Toda Kogyo Corp.
    Inventors: Kazuyuki Hayashi, Hiroko Morll, Yasuyuki Tanaka, Seiji Ishitani