Inventor

CHANG CHING

TW7 patents

⚠️ This page may combine multiple inventors who share the name “CHANG CHING”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

UNITED MICROELECTRONICS CORP

2 patents

US10134744B1Nov 20, 2018

Semiconductor memory device

UNITED MICROELECTRONICS CORP11 citations76

US11404425B2Aug 2, 2022

Test key structure

UNITED MICROELECTRONICS CORP0 citations50

UNIMICRON TECHNOLOGY CORP

2 patents

US12052815B2Jul 30, 2024

Manufacturing method of circuit board

UNIMICRON TECHNOLOGY CORP0 citations59

US11785707B2Oct 10, 2023

Circuit board and manufacturing method thereof and electronic device

UNIMICRON TECHNOLOGY CORP0 citations59

UNIV NAT TSING HUA

2 patents

US12493012B2Dec 9, 2025

Sensor device and method for making the same

UNIV NAT TSING HUA0 citations58

US12050192B2Jul 30, 2024

Gas sensing device and detecting system

UNIV NAT TSING HUA0 citations51

HON HAI PREC IND CO LTD

1 patent

US9233441B2Jan 12, 2016

Machining system

HON HAI PREC IND CO LTD0 citations33