Patents by Inventor Mingkai Chen

Mingkai Chen 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).

  • Toy for making bath salt ball
    Patent number: D1005407
    Type: Grant
    Filed: May 16, 2022
    Date of Patent: November 21, 2023
    Inventor: Mingkai Chen
  • Jewelry making toy
    Patent number: D1006128
    Type: Grant
    Filed: May 24, 2022
    Date of Patent: November 28, 2023
    Inventor: Mingkai Chen
  • Toy makeup box
    Patent number: D1007860
    Type: Grant
    Filed: May 16, 2022
    Date of Patent: December 19, 2023
    Inventor: Mingkai Chen
  • Toy makeup box
    Patent number: D1015734
    Type: Grant
    Filed: May 16, 2022
    Date of Patent: February 27, 2024
    Inventor: Mingkai Chen
  • Toy makeup box
    Patent number: D1020236
    Type: Grant
    Filed: May 16, 2022
    Date of Patent: April 2, 2024
    Inventor: Mingkai Chen
  • Toy makeup box
    Patent number: D1033892
    Type: Grant
    Filed: March 24, 2023
    Date of Patent: July 9, 2024
    Inventor: Mingkai Chen
  • Toy makeup box
    Patent number: D1034835
    Type: Grant
    Filed: March 24, 2023
    Date of Patent: July 9, 2024
    Inventor: Mingkai Chen
  • Toy makeup box
    Patent number: D1036564
    Type: Grant
    Filed: March 24, 2023
    Date of Patent: July 23, 2024
    Inventor: Mingkai Chen
  • Toy makeup box
    Patent number: D1037659
    Type: Grant
    Filed: March 24, 2023
    Date of Patent: August 6, 2024
    Inventor: Mingkai Chen
  • Toy makeup box
    Patent number: D1057290
    Type: Grant
    Filed: May 16, 2022
    Date of Patent: January 7, 2025
    Inventor: Mingkai Chen
  • Toy makeup box
    Patent number: D1058374
    Type: Grant
    Filed: May 16, 2022
    Date of Patent: January 21, 2025
    Inventor: Mingkai Chen
  • Toy makeup box
    Patent number: D1068166
    Type: Grant
    Filed: May 16, 2022
    Date of Patent: March 25, 2025
    Inventor: Mingkai Chen
  • Toy makeup box
    Patent number: D1070181
    Type: Grant
    Filed: May 16, 2022
    Date of Patent: April 8, 2025
    Inventor: Mingkai Chen
  • Toy makeup box
    Patent number: D1082147
    Type: Grant
    Filed: May 16, 2022
    Date of Patent: July 1, 2025
    Inventor: Mingkai Chen
  • Toy lipstick
    Patent number: D1080740
    Type: Grant
    Filed: June 2, 2023
    Date of Patent: June 24, 2025
    Inventor: Mingkai Chen
  • Toy lipstick
    Patent number: D1080741
    Type: Grant
    Filed: June 2, 2023
    Date of Patent: June 24, 2025
    Inventor: Mingkai Chen
  • Toy perfume bottle
    Patent number: D1077058
    Type: Grant
    Filed: August 16, 2023
    Date of Patent: May 27, 2025
    Inventor: Mingkai Chen
  • Toy perfume bottle
    Patent number: D1077059
    Type: Grant
    Filed: August 16, 2023
    Date of Patent: May 27, 2025
    Inventor: Mingkai Chen
  • Toy perfume bottle
    Patent number: D1086292
    Type: Grant
    Filed: June 2, 2023
    Date of Patent: July 29, 2025
    Inventor: Mingkai Chen
  • Toy perfume bottle
    Patent number: D1087235
    Type: Grant
    Filed: June 2, 2023
    Date of Patent: August 5, 2025
    Inventor: Mingkai Chen