Inventor
CHANG YU-WEN
38 patents
⚠️ This page may combine multiple inventors who share the name “CHANG YU-WEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KONINKLIJKE PHILIPS NV
10 patentsUS10034731B2Jul 31, 2018
Oral care appliance using pulsed fluid flow and mechanical action
KONINKLIJKE PHILIPS NV10 citations83
US10130452B2Nov 20, 2018
Oral cleaning device with adjustable fluid dynamics
KONINKLIJKE PHILIPS NV8 citations79
USD765416SSep 6, 2016
Nozzle for toothcleaning apparatus
KONINKLIJKE PHILIPS NV3 citations70
US10860770B2Dec 8, 2020
Oral care appliance using pulsed fluid flow
KONINKLIJKE PHILIPS NV1 citations62
US10952830B2Mar 23, 2021
Adjustable assembly and nozzle for providing various liquid/air output flow patterns
KONINKLIJKE PHILIPS NV1 citations61
US10292797B2May 21, 2019
Oral care appliance using pulsed fluid flow
KONINKLIJKE PHILIPS NV0 citations51
US10736720B2Aug 11, 2020
Oral care appliance using a variable fluid flow
KONINKLIJKE PHILIPS NV0 citations41
US9931186B2Apr 3, 2018
Oral care appliance using a jet-type fluid flow and mechanical action
KONINKLIJKE PHILIPS NV0 citations41
US10849726B2Dec 1, 2020
Air-driven interproximal toothbrush
KONINKLIJKE PHILIPS NV0 citations37
US10642948B2May 5, 2020
System for introducing pulsation into a fluid output for an oral care appliance
KONINKLIJKE PHILIPS NV0 citations34
CHANG INDUSTRY INC
7 patentsUS6778084B2Aug 17, 2004
Interactive wireless surveillance and security system and associated method
CHANG INDUSTRY INC147 citations96
US6831699B2Dec 14, 2004
Deployable monitoring device having self-righting housing and associated method
CHANG INDUSTRY INC62 citations93
US7104496B2Sep 12, 2006
Active protection device and associated apparatus, system, and method
CHANG INDUSTRY INC38 citations92
US7066427B2Jun 27, 2006
Active protection device and associated apparatus, system, and method
CHANG INDUSTRY INC34 citations92
US6952646B2Oct 4, 2005
Tracking device and associated system and method
CHANG INDUSTRY INC29 citations92
US7333148B2Feb 19, 2008
Deployable monitoring device having self-righting housing and associated method
CHANG INDUSTRY INC21 citations90
US7030929B2Apr 18, 2006
Deployable monitoring device having self-righting housing and associated method
CHANG INDUSTRY INC20 citations90
RICHTEK TECHNOLOGY CORP
4 patentsUS10601329B2Mar 24, 2020
Switching regulator and power switch controller circuit thereof
RICHTEK TECHNOLOGY CORP3 citations73
US11297702B2Apr 5, 2022
Dimmer interface circuit and buffer stage circuit thereof
RICHTEK TECHNOLOGY CORP1 citations62
US10972090B1Apr 6, 2021
Output stage circuit for transmitting data via bus
RICHTEK TECHNOLOGY CORP0 citations52
US9966833B2May 8, 2018
Switching regulator capable of reducing current ripple and control circuit thereof
RICHTEK TECHNOLOGY CORP1 citations52
US ARMY
3 patentsHUGHES AIRCRAFT CO
2 patentsZENTEL ELECTRONICS CORP
2 patentsUS9166398B2Oct 20, 2015
Controller providing protection function and frequency-reduction function using a single pin and system using same
ZENTEL ELECTRONICS CORP1 citations43
US9166487B2Oct 20, 2015
Package structure integrating a start-up component, a controller, and a power switch
ZENTEL ELECTRONICS CORP0 citations33