Inventor

YANG CHENG-WEN

TW2 patents

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

LAY FRANK

1 patent

US8103802B2Jan 24, 2012

Portable data system

LAY FRANK4 citations48

CHENGDING IND CO LTD

1 patent

US12384177B2Aug 12, 2025

Printer enabling users to quickly change and install paper

CHENGDING IND CO LTD0 citations32