Patents by Inventor Lit Song Ding

Lit Song Ding 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).

  • Hearing aid
    Patent number: D870292
    Type: Grant
    Filed: February 27, 2018
    Date of Patent: December 17, 2019
    Assignee: Sivantos Pte. Ltd.
    Inventors: Harald Cramer, Vincent Hasenmayer, Lit Song Ding, Vinay Joshi, Anand Ganapathy, Zainal Abidin Mohd Yahya
  • Charger
    Patent number: D888662
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: June 30, 2020
    Assignee: Sivantos Pte. Ltd.
    Inventors: Harald Cramer, Vincent Hasenmayer, Lit Song Ding, Vinay Joshi, Anand Ganapathy, Zainal Abidin Mohd Yahya
  • Charger
    Patent number: D890091
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: July 14, 2020
    Assignee: Sivantos Pte. Ltd.
    Inventors: Harald Cramer, Vincent Hasenmayer, Lit Song Ding, Vinay Joshi, Anand Ganapathy, Zainal Abidin Mohd Yahya
  • Charger
    Patent number: D910553
    Type: Grant
    Filed: October 9, 2018
    Date of Patent: February 16, 2021
    Assignee: Sivantos Pte. Ltd.
    Inventors: Harald Cramer, Vincent Hasenmayer, Lit Song Ding, Vinay Joshi, Anand Ganapathy, Zainal Abidin Mohd Yahya