Inventor

CHENG YUNG-SHENG

TW3 patents

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

VACTRONICS TECH INC

2 patents

US12372701B2Jul 29, 2025

Narrow bandpass filtering element

VACTRONICS TECH INC0 citations51

US12535636B2Jan 27, 2026

Method for manufacturing a light-guide optical element

VACTRONICS TECH INC0 citations32

(unassigned)

1 patent

US5678909AOct 21, 1997

Drawer

17 citations59