Inventor
CHANG CHAO-CHUN
TW16 patents
⚠️ This page may combine multiple inventors who share the name “CHANG CHAO-CHUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TDK TAIWAN CORP
14 patentsUSD908775SJan 26, 2021
Driving unit for a camera lens
TDK TAIWAN CORP18 citations93
US11422330B2Aug 23, 2022
Driving mechanism
TDK TAIWAN CORP5 citations84
US11796348B2Oct 24, 2023
Optical driving mechanism
TDK TAIWAN CORP4 citations74
US11555981B2Jan 17, 2023
Optical element driving mechanism
TDK TAIWAN CORP4 citations73
US11106000B2Aug 31, 2021
Driving mechanism
TDK TAIWAN CORP2 citations73
US10969561B2Apr 6, 2021
Driving mechanism
TDK TAIWAN CORP3 citations73
US10955641B2Mar 23, 2021
Driving mechanism
TDK TAIWAN CORP3 citations73
US10764475B2Sep 1, 2020
Driving mechanism
TDK TAIWAN CORP6 citations73
US10509193B2Dec 17, 2019
Driving mechanism
TDK TAIWAN CORP5 citations73
US11982866B2May 14, 2024
Optical element driving mechanism having movable portion for holding lens
TDK TAIWAN CORP1 citations72
USD891504SJul 28, 2020
Driving unit for a camera lens
TDK TAIWAN CORP2 citations72
USD902981SNov 24, 2020
Driving unit for a camera lens
TDK TAIWAN CORP1 citations62
US12591107B2Mar 31, 2026
Optical member driving mechanism with leading wire
TDK TAIWAN CORP0 citations61
USD902982SNov 24, 2020
Driving unit for a camera lens
TDK TAIWAN CORP0 citations51