Patents by Inventor Masatomo Amamiya

Masatomo Amamiya 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: D274435
    Type: Grant
    Filed: April 8, 1981
    Date of Patent: June 26, 1984
    Assignee: Janome Sewing Machine Co., Ltd.
    Inventors: Susumu Hanyu, Masatomo Amamiya