Inventor · disambiguated record
Eun Chang Choi
Also filed as: CHOI EUN CHANG
23 granted patents·15 pending applications·145 citations·filing 1996–2024
94Inventor score
Files withELECTRONICS & TELECOMMUNICATIONS RES INST17KOREA ELECTRONICS TELECOMM13SAMSUNG ELECTRONICS CO LTD3CHOI EUN CHANG2HAN BYUNG GIL1
Top patents by PatentIndex Score
38 records- 0181US10835390B2Method for manufacturing bone graft material and bone graft material manufactured therebyELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2018·Granted Nov 17, 2020·2 cites·19 claims
- 0279US8000753B2Apparatus and method for providing hands-free and LCD display function of mobile communication terminal using ZigbeeKOREA ELECTRONICS TELECOMM·Filed 2005·Granted Aug 16, 2011·9 cites·18 claims
- 0377US8364083B2Priority-based wireless USB transfer service management apparatus and method thereofKOREA ELECTRONICS TELECOMM·Filed 2007·Granted Jan 29, 2013·7 cites·10 claims
- 0477US6346895B1Apparatus and method for using nibble inversion codeKOREA ELECTRONICS TELECOMM·Filed 2001·Granted Feb 12, 2002·24 cites·11 claims
- 0572US9848909B2Automatic hair transplanter for transplanting folliclesELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2016·Granted Dec 26, 2017·2 cites·13 claims
- 0672US7774439B2Sensing information management apparatus and method of sensor based home network systemKOREA ELECTRONICS TELECOMM·Filed 2006·Granted Aug 10, 2010·5 cites·13 claims
- 0771US9008423B2Method and apparatus for detecting and recognizing object using local binary patternsKOREA ELECTRONICS TELECOMM·Filed 2013·Granted Apr 14, 2015·6 cites·16 claims
- 0870US5862676ARefrigerant expansion deviceSAMSUNG ELECTRONICS CO LTD·Filed 1997·Granted Jan 26, 1999·34 cites·5 claims
- 0969US11065034B2Modular automatic hair implanterELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2019·Granted Jul 20, 2021·1 cites·14 claims
- 1067US8472426B2Real-time wireless communication method for guaranteeing quality of service in wireless personal area networkCHOI EUN-CHANG·Filed 2009·Granted Jun 25, 2013·5 cites·20 claims
- 1164US10881431B2Hair implanter with automatically retracting needleELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2018·Granted Jan 5, 2021·1 cites·14 claims
- 1264US6104326ABit synchronization apparatus for recovering high speed NRZ dataKOREA ELECTRONICS TELECOMM·Filed 1998·Granted Aug 15, 2000·27 cites·3 claims
- 1363US2025194940A1Device and method for estimating blood pressure in non-contact mannerELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2024·Application pending·0 cites
- 1462US8018829B2Method and apparatus for OFDM based on 3D signal constellationKOREA ELECTRONICS TELECOMM·Filed 2009·Granted Sep 13, 2011·2 cites·9 claims
- 1548US2009000663A1Dye-sensitized solar cell and method of manufacturing the sameUNIV SUNGKYUNKWAN FOUND·Filed 2008·Application pending·0 cites
- 1647US10695090B2Automatic hair transplant apparatusELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2018·Granted Jun 30, 2020·0 cites·11 claims
- 1747US10582947B2Follicle transfer and transplantation method based on follicular unit extractionELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2017·Granted Mar 10, 2020·0 cites·16 claims
- 1847US2020000318A1Cable actuation mechanism for steerable endoscopeELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2019·Application pending·0 cites
- 1946US10174279B2Apparatus and method for expanding skinELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2016·Granted Jan 8, 2019·0 cites·5 claims
- 2045US10441315B2Apparatus for loading follicular unit into needle for hair implantELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2016·Granted Oct 15, 2019·0 cites·19 claims
- 2145US2018000987A1Porous bone substitutes and method of preparing the sameELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2017·Application pending·0 cites
- 2244US2020155300A1Automatic hair implant apparatusELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2019·Application pending·0 cites
- 2343US10251674B2Manual follicle-transplanting hair transplanter for increasing graft survival rateELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2016·Granted Apr 9, 2019·0 cites·8 claims
- 2441US8155031B2Wireless audio transceiver system and method using UWB wireless communicationSOHN JONG-MOO·Filed 2007·Granted Apr 10, 2012·0 cites·15 claims
- 2541US2018193107A1Balance arm apparatus for supporting heavy toolsELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2018·Application pending·0 cites
- 2641US2014164029A1Check-in apparatus and method for determining visit to shop in real time and providing rewardKOREA ELECTRONICS TELECOMM·Filed 2013·Application pending·0 cites
- 2741US2018193059A1Automatic hair follicle transplant apparatusELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2018·Application pending·0 cites
- 2840US7728763B2High resolution ranging apparatus and method using UWBKOREA ELECTRONICS TELECOMM·Filed 2005·Granted Jun 1, 2010·0 cites·12 claims
- 2940US6238023B1Window type air conditioner having injection-molded upper and lower casingsSAMSUNG ELECTRONICS CO LTD·Filed 1999·Granted May 29, 2001·11 cites·19 claims
- 3040US2013046873A1Apparatus and method for producing multimedia package, system and method for providing multimedia package serviceKOREA ELECTRONICS TELECOMM·Filed 2012·Application pending·0 cites
- 3138US2014177946A1Human detection apparatus and methodKOREA ELECTRONICS TELECOMM·Filed 2013·Application pending·0 cites
- 3238US2014169664A1Apparatus and method for recognizing human in imageKOREA ELECTRONICS TELECOMM·Filed 2013·Application pending·0 cites
- 3337US2017020565A1Automatic hair transplanter for transplanting folliclesELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2016·Application pending·0 cites
- 3435US2017114314A1Skin expansion apparatus and skin expansion method using the sameELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2016·Application pending·0 cites
- 3535US2012130519A1System and method for communicating zigbee-based audio dataCHOI EUN CHANG·Filed 2011·Application pending·0 cites
- 3634US5675293AVoltage controlled ring oscillatorKOREA ELECTRONICS TELECOMM·Filed 1996·Granted Oct 7, 1997·3 cites·17 claims
- 3733US6059021AHorizontal air direction control vane arrangement of an air conditionerSAMSUNG ELECTRONICS CO LTD·Filed 1998·Granted May 9, 2000·6 cites·10 claims
- 3828US2013135532A1Apparatus and method for communicating wireless video based on zigbee network protocolHAN BYUNG GIL·Filed 2012·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →