Inventor

CHANG CHING-CHING

TW3 patents

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

CHANG CHING-CHING

2 patents

US8113485B2Feb 14, 2012

Leak-proof structure of oil pipe connector

CHANG CHING-CHING3 citations51

US8082942B2Dec 27, 2011

Oil pipe connector

CHANG CHING-CHING0 citations30

INVENTEC CORP

1 patent

US7542819B2Jun 2, 2009

Method and system for managing product output

INVENTEC CORP0 citations31