Patents
.us
Search
Marketplace
Patent My Idea
Patents
/
Inventors
Chao-chih Chang
Taichung
TW
3 patents
3 Patents
US12549898
2026
Microphone Capable of Counteracting Noise
TAIWAN CAROL ELECTRONICS CO., Ltd.
0 cites
US12418787
2025
Apparatuses and Methods for Simultaneous Reception or Transmission Associated with Dual Subscriber Numbers Using a Single Radio Frequency (RF) Device
MEDIATEK Inc.
0 cites
USD0974459
2023
Microphone Clip for a Musical Instrument
TAIWAN CAROL ELECTRONICS CO., Ltd.
0 cites