Patents by Inventor Noriaki Sumiyasu

Noriaki Sumiyasu 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).

  • Medical magnetic pad
    Patent number: D261936
    Type: Grant
    Filed: November 3, 1978
    Date of Patent: November 17, 1981
    Assignee: TDK Electronics Co., Ltd.
    Inventor: Noriaki Sumiyasu
  • Medical magnetic band
    Patent number: D263869
    Type: Grant
    Filed: November 3, 1978
    Date of Patent: April 13, 1982
    Assignee: IDR Electronics Co., Ltd.
    Inventor: Noriaki Sumiyasu