Inventor
CHANG JUNG-WEN
TW140 patents
⚠️ This page may combine multiple inventors who share the name “CHANG JUNG-WEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
QUANTA COMP INC
42 patentsUSD871483SDec 31, 2019
Doorbell camera
QUANTA COMP INC74 citations98
USD750622SMar 1, 2016
Smart watch
QUANTA COMP INC65 citations98
USD754133SApr 19, 2016
Tablet computer protective case
QUANTA COMP INC64 citations97
US6883206B2Apr 26, 2005
Swivel hinge with angular fixing structure
QUANTA COMP INC85 citations97
USD946425SMar 22, 2022
Thermometer patch
QUANTA COMP INC28 citations95
USD912639SMar 9, 2021
Care apparatus
QUANTA COMP INC36 citations95
USD890346SJul 14, 2020
Electrocardiography device
QUANTA COMP INC41 citations95
USD994886SAug 8, 2023
Multi-lead electrocardiogram recorder
QUANTA COMP INC17 citations94
USD952851SMay 24, 2022
Intraoral camera
QUANTA COMP INC28 citations94
USD945364SMar 8, 2022
Charger
QUANTA COMP INC24 citations94
USD890348SJul 14, 2020
Electrocardiography device
QUANTA COMP INC24 citations94
USD886774SJun 9, 2020
Speaker
QUANTA COMP INC20 citations94
USD870704SDec 24, 2019
Speaker
QUANTA COMP INC18 citations94
USD864137SOct 22, 2019
Care apparatus
QUANTA COMP INC29 citations94
USD729232SMay 12, 2015
Tablet computer
QUANTA COMP INC28 citations94
USD711371SAug 19, 2014
Tablet computer
QUANTA COMP INC33 citations94
USD789357SJun 13, 2017
Smart watch
QUANTA COMP INC17 citations93
US7730587B2Jun 8, 2010
Hinge apparatus
QUANTA COMP INC38 citations93
USD879069SMar 24, 2020
Speaker
QUANTA COMP INC20 citations92
USD753102SApr 5, 2016
Tablet computer support base
QUANTA COMP INC18 citations92
US7563040B2Jul 21, 2009
Built-in webcam
QUANTA COMP INC40 citations92
US7148877B2Dec 12, 2006
Liquid crystal display with optical disk drive control functions
QUANTA COMP INC32 citations92
US6912122B2Jun 28, 2005
Rotatable display fixing module
QUANTA COMP INC53 citations92
US6891722B2May 10, 2005
Magnetic locking device
QUANTA COMP INC43 citations92
US6771497B2Aug 3, 2004
Heat dissipation apparatus
QUANTA COMP INC39 citations92
USD1055730SDec 31, 2024
Water quality detector
QUANTA COMP INC6 citations86
USD1013165SJan 30, 2024
Wireless stethoscope
QUANTA COMP INC7 citations86
USD994887SAug 8, 2023
Electrocardiogram recorder
QUANTA COMP INC15 citations86
USD994123SAug 1, 2023
Multi-lead electrocardiogram recorder
QUANTA COMP INC8 citations86
USD993914SAug 1, 2023
Charging base for ECG recorder
QUANTA COMP INC12 citations86
USD941474SJan 18, 2022
Wireless portable electrocardiogram measuring device and a cardiovascular sound measuring stethoscope in combination
QUANTA COMP INC10 citations86
USD940871SJan 11, 2022
Electrocardiogram recorder and charging stand in combination
QUANTA COMP INC14 citations86
USD940872SJan 11, 2022
Electrocardiogram recorder and charging stand in combination
QUANTA COMP INC14 citations86
USD932017SSep 28, 2021
Multi-conducting layer electrocardiogram monitoring recorder
QUANTA COMP INC13 citations86
USD927692SAug 10, 2021
Charging board for electrocardiography device
QUANTA COMP INC11 citations86
USD896871SSep 22, 2020
Panoramic camera
QUANTA COMP INC15 citations86
USD890347SJul 14, 2020
Electrocardiography device
QUANTA COMP INC16 citations86
USD838305SJan 15, 2019
Camera device
QUANTA COMP INC14 citations86
USD985522SMay 9, 2023
Bluetooth receiver
QUANTA COMP INC11 citations85
USD939699SDec 28, 2021
Wireless stethoscope
QUANTA COMP INC8 citations84
USD932018SSep 28, 2021
Electrocardiography device
QUANTA COMP INC7 citations84
USD910001SFeb 9, 2021
Gateway
QUANTA COMP INC7 citations84
CHEN HSIU-WEN
2 patentsWU CHIEN-MING
2 patentsFACEVSION TECHNOLOGY INC
1 patentFACEVISION TECHNOLOGY INC
1 patentCHEN CHUN-YU
1 patentSHIH YU-LIANG
1 patentShowing the top 50 of 140 patents by PatentIndex Score.