Inventor · disambiguated record
Chia-Yuan Chang
Also filed as: CHANG CHIA-YUAN
121 granted patents·35 pending applications·937 citations·filing 1997–2025
99Inventor score
Files withQUANTA COMP INC78PRIMAX ELECTRONICS LTD12CHANG CHIA-YUAN11TAIWAN SEMICONDUCTOR MFG CO LTD11IND TECH RES INST7
Top patents by PatentIndex Score
156 records- 0197USD985522SBluetooth receiverQUANTA COMP INC·Filed 2020·Granted May 9, 2023·11 cites·1 claims
- 0297USD871483SDoorbell cameraQUANTA COMP INC·Filed 2017·Granted Dec 31, 2019·74 cites·1 claims
- 0396US12015066B2Triple layer high-k gate dielectric stack for workfunction engineeringTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2021·Granted Jun 18, 2024·3 cites·20 claims
- 0496USD946425SThermometer patchQUANTA COMP INC·Filed 2020·Granted Mar 22, 2022·28 cites·1 claims
- 0595USD945364SChargerQUANTA COMP INC·Filed 2020·Granted Mar 8, 2022·24 cites·1 claims
- 0694USD890346SElectrocardiography deviceQUANTA COMP INC·Filed 2018·Granted Jul 14, 2020·41 cites·1 claims
- 0794US2025366188A1Semiconductor deviceTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2025·Application pending·0 cites
- 0893USD994886SMulti-lead electrocardiogram recorderQUANTA COMP INC·Filed 2021·Granted Aug 8, 2023·17 cites·1 claims
- 0993US11417310B2Inspection deviceQUANTA COMP INC·Filed 2020·Granted Aug 16, 2022·3 cites·10 claims
- 1092USD994887SElectrocardiogram recorderQUANTA COMP INC·Filed 2021·Granted Aug 8, 2023·15 cites·1 claims
- 1192USD912639SCare apparatusQUANTA COMP INC·Filed 2018·Granted Mar 9, 2021·36 cites·1 claims
- 1291US10698499B1Mouse devicePRIMAX ELECTRONICS LTD·Filed 2019·Granted Jun 30, 2020·5 cites·6 claims
- 1391US7267712B2Planar electric precipitatorIND TECH RES INST·Filed 2005·Granted Sep 11, 2007·20 cites·20 claims
- 1490USD940872SElectrocardiogram recorder and charging stand in combinationQUANTA COMP INC·Filed 2020·Granted Jan 11, 2022·14 cites·1 claims
- 1590USD940871SElectrocardiogram recorder and charging stand in combinationQUANTA COMP INC·Filed 2020·Granted Jan 11, 2022·14 cites·1 claims
- 1689USD993914SCharging base for ECG recorderQUANTA COMP INC·Filed 2021·Granted Aug 1, 2023·12 cites·1 claims
- 1789USD952851SIntraoral cameraQUANTA COMP INC·Filed 2019·Granted May 24, 2022·28 cites·1 claims
- 1889USD932017SMulti-conducting layer electrocardiogram monitoring recorderQUANTA COMP INC·Filed 2020·Granted Sep 28, 2021·13 cites·1 claims
- 1989USD864137SCare apparatusQUANTA COMP INC·Filed 2018·Granted Oct 22, 2019·29 cites·1 claims
- 2087USD890348SElectrocardiography deviceQUANTA COMP INC·Filed 2019·Granted Jul 14, 2020·24 cites·1 claims
- 2186US12439196B2Information handling system headphone having flexible headset microphone boomDELL PRODUCTS LP·Filed 2023·Granted Oct 7, 2025·1 cites·20 claims
- 2286US10991695B2Method for manufacturing semiconductor deviceTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2018·Granted Apr 27, 2021·2 cites·20 claims
- 2385USD941474SWireless portable electrocardiogram measuring device and a cardiovascular sound measuring stethoscope in combinationQUANTA COMP INC·Filed 2020·Granted Jan 18, 2022·10 cites·1 claims
- 2484US11331567B2Information handling system and game controller triggerDELL PRODUCTS LP·Filed 2019·Granted May 17, 2022·4 cites·19 claims
- 2584US11097184B2Information handling system controller illuminationDELL PRODUCTS LP·Filed 2019·Granted Aug 24, 2021·4 cites·20 claims
- 2684US10008346B1Waterproof keyboardPRIMAX ELECTRONICS LTD·Filed 2017·Granted Jun 26, 2018·3 cites·6 claims
- 2784US5877717AD/A converter with a Gamma correction circuitIND TECH RES INST·Filed 1997·Granted Mar 2, 1999·71 cites·10 claims
- 2884US2025344483A1Triple layer high-k gate dielectric stack for workfunction engineeringTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2025·Application pending·0 cites
- 2983USD994123SMulti-lead electrocardiogram recorderQUANTA COMP INC·Filed 2021·Granted Aug 1, 2023·8 cites·1 claims
- 3083US11260288B2Disassemblable information handling system game controllerDELL PRODUCTS LP·Filed 2019·Granted Mar 1, 2022·6 cites·19 claims
- 3182USD1013165SWireless stethoscopeQUANTA COMP INC·Filed 2022·Granted Jan 30, 2024·7 cites·1 claims
- 3281USD1055730SWater quality detectorQUANTA COMP INC·Filed 2023·Granted Dec 31, 2024·6 cites·1 claims
- 3381USD939699SWireless stethoscopeQUANTA COMP INC·Filed 2020·Granted Dec 28, 2021·8 cites·1 claims
- 3481USD879069SSpeakerQUANTA COMP INC·Filed 2018·Granted Mar 24, 2020·20 cites·1 claims
- 3580USD932018SElectrocardiography deviceQUANTA COMP INC·Filed 2020·Granted Sep 28, 2021·7 cites·1 claims
- 3680USD870704SSpeakerQUANTA COMP INC·Filed 2018·Granted Dec 24, 2019·18 cites·1 claims
- 3780US9577840B2Method and apparatus for a flexible peripheral access routerLAM BARRY·Filed 2011·Granted Feb 21, 2017·5 cites·17 claims
- 3879US12471361B2Semiconductor deviceTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2022·Granted Nov 11, 2025·0 cites·20 claims
- 3979USD1033653SBiosensorQUANTA COMP INC·Filed 2022·Granted Jul 2, 2024·5 cites·1 claims
- 4078USD1035882SWrist pulse oximeterQUANTA COMP INC·Filed 2022·Granted Jul 16, 2024·5 cites·1 claims
- 4178USD896871SPanoramic cameraQUANTA COMP INC·Filed 2019·Granted Sep 22, 2020·15 cites·1 claims
- 4278USD890347SElectrocardiography deviceQUANTA COMP INC·Filed 2019·Granted Jul 14, 2020·16 cites·1 claims
- 4378US8064379B2Communication system and communication method for assisting user retrieving geography-associated multimedia informationHUANG TING-HAN·Filed 2009·Granted Nov 22, 2011·9 cites·11 claims
- 4478US6225931B1D/A converter with a gamma correction circuitIND TECH RES INST·Filed 1999·Granted May 1, 2001·43 cites·10 claims
- 4577USD795937SCamera deviceQUANTA COMP INC·Filed 2016·Granted Aug 29, 2017·17 cites·1 claims
- 4677USD670681SHost for videophoneCHANG CHIA-YUAN·Filed 2011·Granted Nov 13, 2012·23 cites·1 claims
- 4776USD996991SClinical thermometerQUANTA COMP INC·Filed 2021·Granted Aug 29, 2023·5 cites·1 claims
- 4876USD996242SWearable body temperature measuring deviceQUANTA COMP INC·Filed 2022·Granted Aug 22, 2023·5 cites·1 claims
- 4975US11876122B2Method for forming semiconductor deviceUNITED MICROELECTRONICS CORP·Filed 2022·Granted Jan 16, 2024·0 cites·6 claims
- 5074US10496189B2Mouse with inerita scroll wheel modulePRIMAX ELECTRONICS LTD·Filed 2018·Granted Dec 3, 2019·2 cites·8 claims
Showing the top 50 of 156 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →