Inventor

CHANG CHIA-YUAN

TW122 patents

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

QUANTA COMP INC

42 patents

USD871483SDec 31, 2019

Doorbell camera

QUANTA COMP INC74 citations98

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

USD870704SDec 24, 2019

Speaker

QUANTA COMP INC18 citations94

USD864137SOct 22, 2019

Care apparatus

QUANTA COMP INC29 citations94

USD879069SMar 24, 2020

Speaker

QUANTA COMP INC20 citations92

USD795937SAug 29, 2017

Camera device

QUANTA COMP INC17 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

USD852867SJul 2, 2019

Camera device

QUANTA COMP INC10 citations84

USD840945SFeb 19, 2019

Case for an electronic device

QUANTA COMP INC7 citations84

USD803922SNov 28, 2017

Camera device

QUANTA COMP INC13 citations84

USD796569SSep 5, 2017

Digital camera device

QUANTA COMP INC12 citations84

US7873028B2Jan 18, 2011

Method and apparatus for a flexible peripheral access router

QUANTA COMP INC13 citations84

USD879070SMar 24, 2020

Speaker

QUANTA COMP INC8 citations83

USD761967SJul 19, 2016

Docking station of remote medical system

QUANTA COMP INC8 citations82

USD1064280SFeb 25, 2025

Electrocardiogram recorder

QUANTA COMP INC3 citations75

USD1052642SNov 26, 2024

Smart glasses

QUANTA COMP INC3 citations75

USD1035882SJul 16, 2024

Wrist pulse oximeter

QUANTA COMP INC5 citations75

USD1033653SJul 2, 2024

Biosensor

QUANTA COMP INC5 citations75

USD1016283SFeb 27, 2024

Wireless stethoscope

QUANTA COMP INC3 citations75

USD996991SAug 29, 2023

Clinical thermometer

QUANTA COMP INC5 citations74

IND TECH RES INST

5 patents

US7267712B2Sep 11, 2007

Planar electric precipitator

IND TECH RES INST20 citations92

US6225931B1May 1, 2001

D/A converter with a gamma correction circuit

IND TECH RES INST43 citations92

US5877717AMar 2, 1999

D/A converter with a Gamma correction circuit

IND TECH RES INST71 citations92

US6166715ADec 26, 2000

Thin-film transistor liquid-crystal display driver

IND TECH RES INST17 citations84

US6962620B2Nov 8, 2005

Adjustable eddy electrostatic precipitator

IND TECH RES INST17 citations82

CHANG CHIA-YUAN

1 patent

USD670681SNov 13, 2012

Host for videophone

CHANG CHIA-YUAN23 citations91

HUANG TING-HAN

1 patent

US8064379B2Nov 22, 2011

Communication system and communication method for assisting user retrieving geography-associated multimedia information

HUANG TING-HAN9 citations81

TAIWAN SEMICONDUCTOR MFG CO LTD

1 patent

US12015066B2Jun 18, 2024

Triple layer high-k gate dielectric stack for workfunction engineering

TAIWAN SEMICONDUCTOR MFG CO LTD3 citations74

Showing the top 50 of 122 patents by PatentIndex Score.