Patents by Inventor Izumi Narusawa

Izumi Narusawa 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).

  • Patent number: D246296
    Type: Grant
    Filed: April 27, 1971
    Date of Patent: November 8, 1977
    Assignee: Dainippon Ink and Chemicals, Inc.
    Inventors: Mituru Fujii, Izumi Narusawa