Inventor
CHANG CHIEH-AN
TW16 patents
⚠️ This page may combine multiple inventors who share the name “CHANG CHIEH-AN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TDK TAIWAN CORP
11 patentsUS12225276B2Feb 11, 2025
Optical element driving mechanism
TDK TAIWAN CORP4 citations85
US11314031B2Apr 26, 2022
Optical element driving mechanism
TDK TAIWAN CORP5 citations83
US12353045B2Jul 8, 2025
Optical element driving mechanism
TDK TAIWAN CORP1 citations74
US12066688B2Aug 20, 2024
Optical element drive mechanism
TDK TAIWAN CORP1 citations72
US11867969B2Jan 9, 2024
Optical element driving mechanism
TDK TAIWAN CORP2 citations72
US11809013B2Nov 7, 2023
Optical system
TDK TAIWAN CORP2 citations72
US12353046B2Jul 8, 2025
Optical component driving mechanism
TDK TAIWAN CORP0 citations62
US12078861B2Sep 3, 2024
Optical system
TDK TAIWAN CORP0 citations62
US11994740B2May 28, 2024
Optical element drive mechanism
TDK TAIWAN CORP0 citations62
US11561360B2Jan 24, 2023
Optical system
TDK TAIWAN CORP1 citations62
US11550112B2Jan 10, 2023
Optical system
TDK TAIWAN CORP0 citations62
TDK CORP
5 patentsUS12353047B2Jul 8, 2025
Optical system
TDK CORP1 citations74
US12449631B2Oct 21, 2025
Optical element driving mechanism
TDK CORP1 citations63
US12498536B2Dec 16, 2025
Optical element driving mechanism
TDK CORP0 citations62
US12461428B2Nov 4, 2025
Optical element driving mechanism
TDK CORP0 citations62
US12323687B2Jun 3, 2025
Driving mechanism
TDK CORP0 citations62