Inventor
HSU CHIH-HUA
TW34 patents
⚠️ This page may combine multiple inventors who share the name “HSU CHIH-HUA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TECHWAY IND CO LTD
21 patentsUS7735398B2Jun 15, 2010
Rechargeable motor-driven ratchet wrench having power-off protection
TECHWAY IND CO LTD23 citations92
US7121362B2Oct 17, 2006
Electrical hand tool with a position adjustable battery pack
TECHWAY IND CO LTD31 citations92
US7637392B2Dec 29, 2009
Electric caulking gun
TECHWAY IND CO LTD40 citations91
US6915721B2Jul 12, 2005
Cordless ratchet wrench
TECHWAY IND CO LTD41 citations91
US6802623B1Oct 12, 2004
Light seat for a portable light with an adjustment capability for a light fixture
TECHWAY IND CO LTD57 citations91
US6716095B1Apr 6, 2004
Cordless surface dresser
TECHWAY IND CO LTD28 citations88
US11484998B2Nov 1, 2022
Electric torque wrench capable of sensing manual operating torque
TECHWAY IND CO LTD7 citations86
USD506375SJun 21, 2005
Cordless electric ratchet wrench
TECHWAY IND CO LTD12 citations83
US11260509B2Mar 1, 2022
Torsional strain sensing device and power tool having the same
TECHWAY IND CO LTD3 citations73
US10953525B2Mar 23, 2021
Power wrench
TECHWAY IND CO LTD2 citations73
USD508387SAug 16, 2005
Cordless electric ratchet wrench
TECHWAY IND CO LTD11 citations72
US10005098B2Jun 26, 2018
Power operated dispensing tool
TECHWAY IND CO LTD4 citations71
US9919401B2Mar 20, 2018
Handheld abrader
TECHWAY IND CO LTD2 citations69
US10137554B2Nov 27, 2018
Hand-held belt sander
TECHWAY IND CO LTD4 citations68
US8957608B2Feb 17, 2015
Motor-driving device of an electric caulking gun
TECHWAY IND CO LTD6 citations67
US11292049B2Apr 5, 2022
Electric rivet nut machine
TECHWAY IND CO LTD3 citations66
US9440340B2Sep 13, 2016
Electric rivet nut tool and control device thereof
TECHWAY IND CO LTD5 citations66
US11097353B1Aug 24, 2021
Power tool
TECHWAY IND CO LTD1 citations57
US12521849B2Jan 13, 2026
Electric ratchet wrench
TECHWAY IND CO LTD0 citations46
US12343785B2Jul 1, 2025
Power tool
TECHWAY IND CO LTD0 citations45
US9089959B2Jul 28, 2015
Cordless clinching tool
TECHWAY IND CO LTD0 citations36
HSU CHIH-HUA
8 patentsUS7641489B1Jan 5, 2010
Safety plug socket
HSU CHIH-HUA63 citations92
US8573450B2Nov 5, 2013
Electrical caulking gun
HSU CHIH-HUA20 citations82
US8646657B2Feb 11, 2014
Electric caulking gun
HSU CHIH-HUA6 citations71
US9087463B2Jul 21, 2015
Backlight module and display device with two-sided light emitting structure
HSU CHIH-HUA4 citations67
US8696186B2Apr 15, 2014
Light bar structure and light source device
HSU CHIH-HUA2 citations56
US9335012B2May 10, 2016
Light bar structure and light source device
HSU CHIH-HUA1 citations46
US8287171B2Oct 16, 2012
Light emitting diode device and display device
HSU CHIH-HUA0 citations39
US8152350B2Apr 10, 2012
Sidelight-type backlight module
HSU CHIH-HUA0 citations39