Inventor

CHANG CHENG-CHIH

TW2 patents

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

PIXART IMAGING INC

1 patent

US12533949B2Jan 27, 2026

Touch detection circuit and denoising circuit thereof

PIXART IMAGING INC0 citations52

VIA TECH INC

1 patent

US7528753B2May 5, 2009

Codec simultaneously processing multiple analog signals with only one analog-to-digital converter and method thereof

VIA TECH INC3 citations49