Inventor

CHEN HONG-YAO

TW5 patents

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

(unassigned)

2 patents

US6755450B1Jun 29, 2004

Safety door lock

USD485154SJan 13, 2004

Door latch

TECHWAY IND CO LTD

2 patents

US8957608B2Feb 17, 2015

Motor-driving device of an electric caulking gun

TECHWAY IND CO LTD6 citations67

US9440340B2Sep 13, 2016

Electric rivet nut tool and control device thereof

TECHWAY IND CO LTD5 citations66

CHEN HONG YAO

1 patent

US7107800B2Sep 19, 2006

Door bolt

CHEN HONG YAO3 citations53