Patents by Inventor Yongjin Liu

Yongjin Liu 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).

  • Power optimizer
    Patent number: D862380
    Type: Grant
    Filed: January 8, 2018
    Date of Patent: October 8, 2019
    Assignee: SUNGROW POWER SUPPLY CO., LTD.
    Inventors: Yongjin Liu, Qing Zhang, Gaozhou Tao, Hua Ni, Guiyou Tan
  • Photovoltaic inverter
    Patent number: D991174
    Type: Grant
    Filed: November 18, 2021
    Date of Patent: July 4, 2023
    Assignee: Sungrow Power Supply Co., Ltd.
    Inventors: Xin Ding, Rui Wang, Yongjin Liu