Patents by Inventor Mak Kim Tak

Mak Kim Tak 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).

  • Wrist watch case
    Patent number: D717669
    Type: Grant
    Filed: March 26, 2014
    Date of Patent: November 18, 2014
    Assignees: Citizen Holdings Co., Ltd., Citizen Watch Co., Ltd.
    Inventor: Mak Kim Tak
  • Watch dial
    Patent number: D912559
    Type: Grant
    Filed: March 20, 2019
    Date of Patent: March 9, 2021
    Assignee: Citizen Watch Co., Ltd.
    Inventors: Mak Kim Tak, Benjamin Cheng Chin Hoi