Patents by Inventor Zhanyuan Du

Zhanyuan Du 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).

  • Bluetooth FM transmitter
    Patent number: D873234
    Type: Grant
    Filed: September 19, 2019
    Date of Patent: January 21, 2020
    Assignee: DONGGUAN PINMI ELECTRONIC TECHNOLOGY CO., LTD
    Inventor: Zhanyuan Du
  • In-car bluetooth MP3
    Patent number: D875062
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: February 11, 2020
    Assignee: DONGGUAN PINMI ELECTRONIC TECHNOLOGY CO., LTD
    Inventor: Zhanyuan Du
  • In-car bluetooth MP3
    Patent number: D875063
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: February 11, 2020
    Assignee: DONGGUAN PINMI ELECTRONIC TECHNOLOGY CO., LTD.
    Inventor: Zhanyuan Du
  • Earphones
    Patent number: D883960
    Type: Grant
    Filed: January 18, 2020
    Date of Patent: May 12, 2020
    Assignee: DONGGUAN PINMI ELECTRONIC TECHNOLOGY CO., LTD
    Inventor: Zhanyuan Du
  • Earphones
    Patent number: D884682
    Type: Grant
    Filed: January 18, 2020
    Date of Patent: May 19, 2020
    Assignee: DONGGUAN PINMI ELECTRONIC TECHNOLOGY CO., LTD
    Inventor: Zhanyuan Du
  • Bluetooth FM transmitter
    Patent number: D897982
    Type: Grant
    Filed: September 19, 2019
    Date of Patent: October 6, 2020
    Assignee: DONGGUAN PINMI ELECTRONIC TECHNOLOGY CO., LTD
    Inventor: Zhanyuan Du
  • Bluetooth FM transmitter
    Patent number: D898696
    Type: Grant
    Filed: September 19, 2019
    Date of Patent: October 13, 2020
    Assignee: DONGGUAN PINMI ELECTRONIC TECHNOLOGY CO., LTD
    Inventor: Zhanyuan Du
  • Bluetooth FM transmitter
    Patent number: D898697
    Type: Grant
    Filed: September 19, 2019
    Date of Patent: October 13, 2020
    Assignee: DONGGUAN PINMI ELECTRONIC TECHNOLOGY CO., LTD
    Inventor: Zhanyuan Du
  • Earphone
    Patent number: D905020
    Type: Grant
    Filed: August 23, 2020
    Date of Patent: December 15, 2020
    Assignee: DONGGUAN PINMI ELECTRONIC TECHNOLOGY CO., LTD
    Inventor: Zhanyuan Du
  • Earphones
    Patent number: D909998
    Type: Grant
    Filed: August 23, 2020
    Date of Patent: February 9, 2021
    Assignee: DONGGUAN PINMI ELECTRONIC TECHNOLOGY CO., LTD
    Inventor: Zhanyuan Du
  • Bluetooth receiver
    Patent number: D916678
    Type: Grant
    Filed: August 23, 2020
    Date of Patent: April 20, 2021
    Assignee: DONGGUAN PINMI ELECTRONIC TECHNOLOGY CO., LTD
    Inventor: Zhanyuan Du
  • Bluetooth FM transmitter
    Patent number: D927443
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: August 10, 2021
    Assignee: DONGGUAN PINMI ELECTRONIC TECHNOLOGY CO., LTD
    Inventor: Zhanyuan Du
  • Earphone
    Patent number: D938400
    Type: Grant
    Filed: March 23, 2021
    Date of Patent: December 14, 2021
    Assignee: DONGGUAN PINMI ELECTRONIC TECHNOLOGY CO., LTD
    Inventor: Zhanyuan Du
  • Earphone
    Patent number: D976871
    Type: Grant
    Filed: March 9, 2021
    Date of Patent: January 31, 2023
    Assignee: DONGGUAN PINMI ELECTRONIC TECHNOLOGY CO., LTD
    Inventor: Zhanyuan Du
  • Earphone charging case
    Patent number: D980799
    Type: Grant
    Filed: August 16, 2022
    Date of Patent: March 14, 2023
    Assignee: DONGGUAN PINMI ELECTRONIC TECHNOLOGY CO., LTD.
    Inventor: Zhanyuan Du
  • Wireless audio speaker
    Patent number: D984976
    Type: Grant
    Filed: July 23, 2021
    Date of Patent: May 2, 2023
    Assignee: DONGGUAN PINMI ELECTRONIC TECHNOLOGY CO., LTD
    Inventor: Zhanyuan Du
  • Earphone
    Patent number: D1003279
    Type: Grant
    Filed: June 21, 2023
    Date of Patent: October 31, 2023
    Inventor: Zhanyuan Du
  • Earphone case
    Patent number: D1004959
    Type: Grant
    Filed: June 20, 2023
    Date of Patent: November 21, 2023
    Inventor: Zhanyuan Du
  • Wireless transceiver
    Patent number: D1010646
    Type: Grant
    Filed: November 17, 2021
    Date of Patent: January 9, 2024
    Inventor: Zhanyuan Du
  • Earphones
    Patent number: D1020707
    Type: Grant
    Filed: August 16, 2022
    Date of Patent: April 2, 2024
    Assignee: DONGGUAN PINMI ELECTRONIC TECHNOLOGY CO., LTD.
    Inventor: Zhanyuan Du