Inventor
CHEN CHI-CHEN
TW16 patents
⚠️ This page may combine multiple inventors who share the name “CHEN CHI-CHEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
YEAR CONGRATULATE IND CO LTD
4 patentsUS7594550B2Sep 29, 2009
Pneumatic hand tool
YEAR CONGRATULATE IND CO LTD7 citations71
US7458429B2Dec 2, 2008
Pneumatic hand tool
YEAR CONGRATULATE IND CO LTD7 citations71
US7455122B2Nov 25, 2008
Pneumatic hand tool
YEAR CONGRATULATE IND CO LTD8 citations71
US8375832B2Feb 19, 2013
Compact one touch pneumatic wrench
YEAR CONGRATULATE IND CO LTD2 citations60
CORETRONIC CORP
4 patentsUS11525976B2Dec 13, 2022
Focusing mechanism and projection device
CORETRONIC CORP0 citations57
US12504628B2Dec 23, 2025
Rotary structure module and head-up display device
CORETRONIC CORP0 citations50
US10495956B2Dec 3, 2019
Projector having flexible sealing element
CORETRONIC CORP0 citations40
US9703180B2Jul 11, 2017
Projection apparatus, lens module, and locking structure
CORETRONIC CORP0 citations40