Patents by Inventor Minoru Hatsumi

Minoru Hatsumi 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: D319840
    Type: Grant
    Filed: June 27, 1990
    Date of Patent: September 10, 1991
    Assignee: Maruzen Kabushiki Kaisha
    Inventors: Minoru Hatsumi, Yasuhiko Nakamura