Inventor · disambiguated record
Chang Hyun Park
Also filed as: PARK CHANG H · PARK CHANG HYUN
50 granted patents·21 pending applications·128 citations·filing 2004–2025
97Inventor score
Files withLG INNOTEK CO LTD20SAMSUNG ELECTRONICS CO LTD6VIAVI SOLUTIONS INC6COUPANG CORP5SK HYNIX INC5
Top patents by PatentIndex Score
71 records- 0194US9915356B2Valve apparatus for vehicleINZI CONTROLS CO LTD·Filed 2014·Granted Mar 13, 2018·36 cites·3 claims
- 0293US9735639B2Bus bar and motor including the sameLG INNOTEK CO LTD·Filed 2014·Granted Aug 15, 2017·13 cites·15 claims
- 0392US9985487B2Rotor for motor, motor having the same and method for manufacturing the motorLG INNOTEK CO LTD·Filed 2015·Granted May 29, 2018·6 cites·8 claims
- 0490US12409708B2Integrated device of pump and valveHYUNDAI MOTOR CO LTD·Filed 2022·Granted Sep 9, 2025·1 cites·18 claims
- 0589US9803764B2Fail safety coolant control valveINZI CONTROLS CO LTD·Filed 2014·Granted Oct 31, 2017·14 cites·7 claims
- 0688US12366591B2Multi-channel spectrum analyzer with multi-channel analog-digital-converters (ADCs)VIAVI SOLUTIONS INC·Filed 2022·Granted Jul 22, 2025·2 cites·20 claims
- 0787US10727720B2MotorLG INNOTEK CO LTD·Filed 2016·Granted Jul 28, 2020·3 cites·11 claims
- 0882US11329524B2Rotor and motor having sameLG INNOTEK CO LTD·Filed 2018·Granted May 10, 2022·2 cites·20 claims
- 0982US10181764B2MotorLG INNOTEK CO LTD·Filed 2015·Granted Jan 15, 2019·2 cites·9 claims
- 1081US11634819B2Solution composition for steel sheet surface treatment, zinc-based plated steel sheet surface-treated with same, and manufacturing method thereforPOSCO·Filed 2022·Granted Apr 25, 2023·0 cites·6 claims
- 1180US11870325B2MotorLG INNOTEK CO LTD·Filed 2023·Granted Jan 9, 2024·0 cites·10 claims
- 1280US2025383374A1Multi-channel spectrum analyzer with multi-channel analog-digital-converters (adcs)VIAVI SOLUTIONS INC·Filed 2025·Application pending·0 cites
- 1378US11178549B1Information providing method for providing information regarding terminal activation and electronic device performing the sameCOUPANG CORP·Filed 2021·Granted Nov 16, 2021·1 cites·14 claims
- 1477US10303394B2Memory system and operating method thereofSK HYNIX INC·Filed 2017·Granted May 28, 2019·2 cites·19 claims
- 1576US9768670B2Motor with a shaft screw and sensor magnet thereunderLG INNOTEK CO LTD·Filed 2014·Granted Sep 19, 2017·3 cites·13 claims
- 1676US8706295B2Apparatus and method for synchronizing robotsPARK CHANG HYUN·Filed 2010·Granted Apr 22, 2014·5 cites·10 claims
- 1773US8522395B2Vacuum cleaner having shredderOH JANG-KEUN·Filed 2012·Granted Sep 3, 2013·5 cites·17 claims
- 1873US8306308B2Method for optically detecting surface defect of round wire rodCHOI SE HO·Filed 2008·Granted Nov 6, 2012·11 cites·1 claims
- 1970US8149071B2Radio frequency switch and apparatus containing the radio frequency switchRYOU BYUNG HOON·Filed 2008·Granted Apr 3, 2012·4 cites·8 claims
- 2069US11411468B2MotorLG INNOTEK CO LTD·Filed 2020·Granted Aug 9, 2022·0 cites·6 claims
- 2168US11346003B2Solution composition for steel sheet surface treatment, zinc-based plated steel sheet surface-treated with same, and manufacturing method thereforPOSCO·Filed 2017·Granted May 31, 2022·0 cites·5 claims
- 2267US11632477B2Method for photographing and reading an image, and apparatus thereforSAMSUNG SDS CO LTD·Filed 2022·Granted Apr 18, 2023·0 cites·10 claims
- 2367US11452423B2Cleaning robot and method of controlling the sameSAMSUNG ELECTRONICS CO LTD·Filed 2018·Granted Sep 27, 2022·1 cites·14 claims
- 2467US10673300B2MotorLG INNOTEK CO LTD·Filed 2018·Granted Jun 2, 2020·0 cites·15 claims
- 2565US12095519B2Automatic attenuation of analog-digital-converter (ADC) input signal based on error vector magnitude (EVM) performanceVIAVI SOLUTIONS INC·Filed 2022·Granted Sep 17, 2024·0 cites·20 claims
- 2665US10088453B2Apparatus and method of detecting defect of steel platePOSCO·Filed 2013·Granted Oct 2, 2018·1 cites·16 claims
- 2765US9543796B2Motor with stepped rotor tube coupled to the inner race of a multiple-row bearingLG INNOTEK CO LTD·Filed 2014·Granted Jan 10, 2017·1 cites·4 claims
- 2864US7052965B2Methods of fabricating MOS field effect transistors with pocket regions using implant blocking patternsSAMSUNG ELECTRONICS CO LTD·Filed 2004·Granted May 30, 2006·9 cites·15 claims
- 2963US12301084B2Busbar assembly for motorLG INNOTEK CO LTD·Filed 2021·Granted May 13, 2025·0 cites·8 claims
- 3062US12294278B2MotorLG INNOTEK CO LTD·Filed 2021·Granted May 6, 2025·0 cites·10 claims
- 3162US11678194B2Information providing method for providing information regarding terminal activation and electronic device performing the sameCOUPANG CORP·Filed 2021·Granted Jun 13, 2023·0 cites·8 claims
- 3260US12086437B2Memory controller and memory system for allocating memory based on the ratio of hot/cold pagesSK HYNIX INC·Filed 2022·Granted Sep 10, 2024·0 cites·18 claims
- 3360US11588375B2MotorLG INNOTEK CO LTD·Filed 2017·Granted Feb 21, 2023·0 cites·13 claims
- 3459US11989448B2Memory controller and memory system including the sameSK HYNIX INC·Filed 2022·Granted May 21, 2024·0 cites·20 claims
- 3559US11953014B2Integrated water pump and valve deviceGMB KOREA CORP·Filed 2022·Granted Apr 9, 2024·0 cites·17 claims
- 3659US10431921B2Sealing cover and actuator having sameLG INNOTEK CO LTD·Filed 2016·Granted Oct 1, 2019·0 cites·14 claims
- 3758US11470388B2Method and apparatus for preventing forgery of data, method and apparatus for detecting forgery of dataSAMSUNG SDS CO LTD·Filed 2021·Granted Oct 11, 2022·0 cites·30 claims
- 3858US2025088069A1MotorLG INNOTEK CO LTD·Filed 2022·Application pending·0 cites
- 3957US2021065098A1Computerized systems and methods for display and determination of guaranteed delivery time selectionCOUPANG CORP·Filed 2019·Application pending·0 cites
- 4057US2007048702A1Immersion-type live-line work training system and methodJANG GIL S·Filed 2006·Application pending·0 cites
- 4156US2025209585A1Apparatus and method for diagnosing battery, and computer programSAMSUNG SDI CO LTD·Filed 2024·Application pending·0 cites
- 4256US2025209586A1Apparatus and method for diagnosing battery, and computer programSAMSUNG SDI CO LTD·Filed 2024·Application pending·0 cites
- 4356US2025209587A1Apparatus and method for diagnosing battery, and computer programSAMSUNG SDI CO LTD·Filed 2024·Application pending·0 cites
- 4455US12512847B2Wideband and multi-channel real-time IQ data recording with FPGA-based lossless compressionVIAVI SOLUTIONS INC·Filed 2023·Granted Dec 30, 2025·0 cites·20 claims
- 4555US2024195242A1MotorLG INNOTEK CO LTD·Filed 2022·Application pending·0 cites
- 4654US10464295B2Protective film and electronic appliance including the sameSAMSUNG ELECTRONICS CO LTD·Filed 2017·Granted Nov 5, 2019·0 cites·18 claims
- 4754US2025200737A1Apparatus and method for monitoring particle size of raw materials of blast furnacePOSCO CO LTD·Filed 2022·Application pending·0 cites
- 4853US11774108B2Cooking apparatus, method of controlling the cooking apparatus, and knob of cooking apparatusSAMSUNG ELECTRONICS CO LTD·Filed 2018·Granted Oct 3, 2023·0 cites·17 claims
- 4953US11526974B2Method for photographing and reading an image, and apparatus thereforSAMSUNG SDS CO LTD·Filed 2020·Granted Dec 13, 2022·0 cites·7 claims
- 5052US11113145B2Memory device, semiconductor device, and semiconductor systemSK HYNIX INC·Filed 2019·Granted Sep 7, 2021·0 cites·7 claims
Showing the top 50 of 71 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Chang Hyun Park files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →