Inventor · disambiguated record
Ja Choon Koo
Also filed as: KOO JA C · KOO JA CHOON
16 granted patents·8 pending applications·50 citations·filing 1998–2023
90Inventor score
Files withSAMSUNG ELECTRONICS CO LTD7RESEARCH & BUSINESS FOUND SUNGKYUNKWAN UNIV4KOO JA CHOON2SAMSUNG ELECTRO MECH2CHOI HYOUK-RYEOL1
Top patents by PatentIndex Score
24 records- 0186US8552623B2Polymer and polymer actuator comprising the sameCHOI SEUNG-TAE·Filed 2010·Granted Oct 8, 2013·5 cites·10 claims
- 0280US9434801B2Polymer and polymer actuator comprising the sameSAMSUNG ELECTRONICS CO LTD·Filed 2013·Granted Sep 6, 2016·2 cites·7 claims
- 0372US11104007B2Apparatus and method for controlling robotRESEARCH & BUSINESS FOUND SUNGKYUNKWAN UNIV·Filed 2020·Granted Aug 31, 2021·1 cites·12 claims
- 0470US7671514B2Electroactive solid-state actuator and method of manufacturing the sameSAMSUNG ELECTRO MECH·Filed 2005·Granted Mar 2, 2010·10 cites·7 claims
- 0567US8641970B2Mobile robot and clinical test apparatus using the sameCHUNG WAN KYUN·Filed 2007·Granted Feb 4, 2014·4 cites·10 claims
- 0666US7474501B2Outer hub assembly and spindle motor including the same in hard disk drive and method for servo-track writingSAMSUNG ELECTRONICS CO LTD·Filed 2005·Granted Jan 6, 2009·1 cites·32 claims
- 0764US8915151B2Active skin for conformable tactile interfaceCHOI HYOUK-RYEOL·Filed 2010·Granted Dec 23, 2014·3 cites·13 claims
- 0863US11603870B2Rotary actuatorRESEARCH & BUSINESS FOUND SUNGKYUNKWAN UNIV·Filed 2022·Granted Mar 14, 2023·0 cites·10 claims
- 0962US7499244B2Disk holder for off-line servo-track writerSAMSUNG ELECTRONICS CO LTD·Filed 2006·Granted Mar 3, 2009·4 cites·17 claims
- 1061US7677805B2Fluid dynamic bearing and hard disk drive employing the sameSAMSUNG ELECTRONICS CO LTD·Filed 2005·Granted Mar 16, 2010·2 cites·14 claims
- 1159US9007072B2Capacitor sensor capable of controlling sensitivityKOO JA CHOON·Filed 2012·Granted Apr 14, 2015·2 cites·10 claims
- 1258US9805626B2Respiration mimic deviceTHE CATHOLIC UNIV OF KOREA INDUSTRY-ACADEMIC COOP FOUND·Filed 2014·Granted Oct 31, 2017·0 cites·10 claims
- 1358US8480917B2Solid electrolyte polymer, polymer actuator using cross-linked polyvinylidene fluoride-based polymer, and method of manufacturing the polymer actuatorKWON JONG-OH·Filed 2009·Granted Jul 9, 2013·0 cites·19 claims
- 1458US7682314B2Blood pressure meter using viscoelasticity of cuff and mobile terminal having the sameSAMSUNG ELECTRONICS CO LTD·Filed 2006·Granted Mar 23, 2010·1 cites·5 claims
- 1558US5979249AActuator resonance tester for a disk driveSAMSUNG ELECTRONICS CO LTD·Filed 1998·Granted Nov 9, 1999·14 cites·9 claims
- 1653US8593616B2Actuator, stage device, and exposure apparatusHONG SANG JOON·Filed 2010·Granted Nov 26, 2013·1 cites·18 claims
- 1753US2024074351A1Crop harvesting apparatusRESEARCH & BUSINESS FOUND SUNGKYUNKWAN UNIV·Filed 2023·Application pending·0 cites
- 1849US2010053805A1Hard disk drive and method of manufactureSAMSUNG ELECTRONICS CO LTD·Filed 2009·Application pending·0 cites
- 1946US2023217859A1Pneumatic cutter with concealed bladeRESEACH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIV·Filed 2023·Application pending·0 cites
- 2046US2023015585A1Soft pneumatic module and soft pneumatic gripperRESEARCH & BUSINESS FOUND SUNGKYUNKWAN UNIV·Filed 2022·Application pending·0 cites
- 2136US2017042502A1Lung Phantom System For 4D-CTUNIV SUNGKYUNKWAN RES & BUS·Filed 2016·Application pending·0 cites
- 2235US2005200238A1Dielectric polymer actuator and inchworm robot using sameUNIV SUNGKYUNKWAN·Filed 2005·Application pending·0 cites
- 2334US2010132175A1Electroactive solid-state actuator and method of manufacturing the sameSAMSUNG ELECTRO MECH·Filed 2010·Application pending·0 cites
- 2432US2009164145A1Method and apparatus for spindle stiffness and/or damping in a fluid dynamic bearing spindle motor used in a hard disk driveKOO JA CHOON·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →