Patents by Inventor Tom Yu-Chi CHANG

Tom Yu-Chi CHANG 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 device and a system for controlling a hearing aid device
    Patent number: 10798497
    Abstract: A hearing aid device comprising: a body, accommodating a circuit unit; a ear mold, capable of being accommodated in ear canal to convey sound; a connecting portion, capable of connecting the body with the ear mold; a wireless transmission unit, electrically coupled with the circuit unit, capable of communicating with at least one wireless device; and a rechargeable battery unit, coupled with the body and provided with a convex structure on a side facing the body.
    Type: Grant
    Filed: July 3, 2018
    Date of Patent: October 6, 2020
    Inventor: Tom Yu-Chi Chang
  • HEARING AID DEVICE AND A SYSTEM FOR CONTROLLING A HEARING AID DEVICE
    Publication number: 20200015022
    Abstract: A hearing aid device comprising: a body, accommodating a circuit unit; a ear mold, capable of being accommodated in ear canal to convey sound; a connecting portion, capable of connecting the body with the ear mold; a wireless transmission unit, electrically coupled with the circuit unit, capable of communicating with at least one wireless device; and a rechargeable battery unit, coupled with the body and provided with a convex structure on a side facing the body.
    Type: Application
    Filed: July 3, 2018
    Publication date: January 9, 2020
    Inventor: Tom Yu-Chi CHANG