Patents by Inventor Natsuko Hamaguchi

Natsuko Hamaguchi 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).

  • Cooling device for neck
    Patent number: D903885
    Type: Grant
    Filed: March 20, 2019
    Date of Patent: December 1, 2020
    Assignee: FUJITSU GENERAL LIMITED
    Inventor: Natsuko Hamaguchi
  • Cooling device for neck
    Patent number: D903886
    Type: Grant
    Filed: March 25, 2019
    Date of Patent: December 1, 2020
    Assignee: FUJITSU GENERAL LIMITED
    Inventor: Natsuko Hamaguchi