Patents by Inventor Ai Sumi

Ai Sumi 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).

  • Watch
    Patent number: D828202
    Type: Grant
    Filed: June 21, 2017
    Date of Patent: September 11, 2018
    Assignee: Cartier International AG
    Inventors: Serge Rabassa, Ai Sumi
  • Watch dial
    Patent number: D828204
    Type: Grant
    Filed: June 21, 2017
    Date of Patent: September 11, 2018
    Assignee: Cartier International AG
    Inventors: Serge Rabassa, Ai Sumi
  • Watch
    Patent number: D846409
    Type: Grant
    Filed: June 21, 2017
    Date of Patent: April 23, 2019
    Assignee: Cartier International AG
    Inventors: Serge Rabassa, Ai Sumi
  • Watch dial
    Patent number: D868613
    Type: Grant
    Filed: May 29, 2018
    Date of Patent: December 3, 2019
    Assignee: Cartier International AG
    Inventor: Ai Sumi