Patents by Inventor Yongyan Huang

Yongyan Huang 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).

  • Wireless presenter
    Patent number: D798274
    Type: Grant
    Filed: December 23, 2016
    Date of Patent: September 26, 2017
    Inventor: Yongyan Huang
  • Wireless presenter
    Patent number: D798275
    Type: Grant
    Filed: December 23, 2016
    Date of Patent: September 26, 2017
    Inventor: Yongyan Huang
  • Wireless presenter
    Patent number: D901444
    Type: Grant
    Filed: October 25, 2017
    Date of Patent: November 10, 2020
    Assignee: Shanghai Knorvay Technology Co., Ltd.
    Inventor: Yongyan Huang
  • Wireless presenter
    Patent number: D901445
    Type: Grant
    Filed: October 25, 2017
    Date of Patent: November 10, 2020
    Assignee: Shanghai Knorvay Technology Co., Ltd.
    Inventor: Yongyan Huang
  • Wireless presenter
    Patent number: D913992
    Type: Grant
    Filed: April 21, 2019
    Date of Patent: March 23, 2021
    Assignee: SHANGHAI NORWII TECHNOLOGY CO., LTD.
    Inventor: Yongyan Huang
  • Sound amplifier
    Patent number: D931826
    Type: Grant
    Filed: May 9, 2019
    Date of Patent: September 28, 2021
    Assignee: SHANGHAI NORWII TECHNOLOGY CO., LTD.
    Inventor: Yongyan Huang
  • Sound amplifier
    Patent number: D931827
    Type: Grant
    Filed: May 9, 2019
    Date of Patent: September 28, 2021
    Assignee: SHANGHAI NORWII TECHNOLOGY CO., LTD.
    Inventor: Yongyan Huang
  • Sound amplifier
    Patent number: D933038
    Type: Grant
    Filed: April 21, 2019
    Date of Patent: October 12, 2021
    Assignee: SHANGHAI NORWll TECHNOLOGY CO., LTD.
    Inventor: Yongyan Huang