Inventor · disambiguated record
Chul Hwan Choi
Also filed as: CHOI CHUL · CHOI CHUL-HWAN
15 granted patents·14 pending applications·35 citations·filing 2001–2019
89Inventor score
Top patents by PatentIndex Score
29 records- 0187US10522379B2Substrate transfer apparatusSAMSUNG ELECTRONICS CO LTD·Filed 2017·Granted Dec 31, 2019·6 cites·15 claims
- 0282US8535488B2Method and apparatus for purification of trichlorosilaneCHOI CHUL-HWAN·Filed 2011·Granted Sep 17, 2013·4 cites·4 claims
- 0378US7730807B2Transmission for tractorLS MTRON LTD·Filed 2007·Granted Jun 8, 2010·9 cites·9 claims
- 0472US8829341B2Solar cell and method for manufacturing sameCHOI CHUL HWAN·Filed 2011·Granted Sep 9, 2014·1 cites·6 claims
- 0566US10982782B2Valve apparatusSAMSUNG ELECTRONICS CO LTD·Filed 2019·Granted Apr 20, 2021·1 cites·19 claims
- 0664US7202312B2Method for preparing cyclic olefin polymer having high bulk density and cyclic olefin polymer prepared therebyLG CHEMICAL LTD·Filed 2005·Granted Apr 10, 2007·2 cites·7 claims
- 0756US2014090706A1Solar cell apparatus and method of fabricating the sameUNIV CHUNG ANG IND·Filed 2012·Application pending·0 cites
- 0855US9942985B2Printed circuit board and method of fabricating the sameLG INNOTEK CO LTD·Filed 2015·Granted Apr 10, 2018·1 cites·8 claims
- 0953US6451694B1Control of abnormal growth in dichloro silane (DCS) based CVD polycide WSix filmsSAMSUNG ELECTRONICS CO LTD·Filed 2001·Granted Sep 17, 2002·5 cites·25 claims
- 1051US2013220398A1Solar cell and method for manufacturing the sameCHOI CHUL HWAN·Filed 2011·Application pending·0 cites
- 1150US6838645B2Heater assembly for manufacturing a semiconductor deviceSAMSUNG ELECTRONICS CO LTD·Filed 2002·Granted Jan 4, 2005·3 cites·14 claims
- 1249US9735294B2Solar cell and manufacturing method thereofCHOI CHUL HWAN·Filed 2012·Granted Aug 15, 2017·0 cites·2 claims
- 1348US6858062B2Residual gas removing device and method thereofSAMSUNG ELECTRONICS CO LTD·Filed 2002·Granted Feb 22, 2005·3 cites·1 claims
- 1448US2012174977A1Solar Power Generation Apparatus and Manufacturing Method ThereofCHOI CHUL HWAN·Filed 2010·Application pending·0 cites
- 1548US2012279556A1Photovoltaic Power-Generating Apparatus and Method For Manufacturing SameCHOI CHUL HWAN·Filed 2010·Application pending·0 cites
- 1647US2014048132A1Solar cell and method of preparing the sameCHOI CHUL HWAN·Filed 2012·Application pending·0 cites
- 1744US10653900B2Lifesaving system using drone and lifesaving method using the sameEDUN ENG CO LTD·Filed 2017·Granted May 19, 2020·0 cites·9 claims
- 1844US2013048072A1Solar photovoltaic device and a production method for the sameCHOI CHUL HWAN·Filed 2011·Application pending·0 cites
- 1942US2007193573A1Vacuum system of semiconductor device manufacturing equipmentKIM KYUNG-TAE·Filed 2006·Application pending·0 cites
- 2042US2012198994A1Apparatus for controlling the angle of a swash plate of a hydraulic pumpCHOI CHUL HWAN·Filed 2011·Application pending·0 cites
- 2141US2007072489A1Method of installing semiconductor device manufacturing equipment and mock-up for use in the methodKIM KYUNG-TAE·Filed 2006·Application pending·0 cites
- 2240US2012037225A1Solar cell and method of fabricating the sameJEE SUK JAE·Filed 2010·Application pending·0 cites
- 2339US6559316B2Method for preparing 2-(2-hydroxyphenyl)-2H-benzotriazoleLG CHEMICAL LTD·Filed 2002·Granted May 6, 2003·0 cites·6 claims
- 2439US2013025624A1Method of cleaning a semiconductor device manufacturing apparatusSAMSUNG ELECTRONICS CO LTD·Filed 2012·Application pending·0 cites
- 2537US9603014B2Power systemLSIS CO LTD·Filed 2015·Granted Mar 21, 2017·0 cites·4 claims
- 2635US2017107616A1Method of Fabricating Semiconductor Device and Method of Cleaning Processing Chamber in Semiconductor DeviceSAMSUNG ELECTRONICS CO LTD·Filed 2016·Application pending·0 cites
- 2732US9871159B2Apparatus for generating electricity using solar power and method for manufacturing sameCHOI CHUL HWAN·Filed 2011·Granted Jan 16, 2018·0 cites·6 claims
- 2830US2002168251A1Self-contained semiconductor device manufacturing equipment having compact arrangement of load-lock and processing chambersFiled 2002·Application pending·0 cites
- 2929US2011259655A1Tractor having hydraulic lifting apparatusCHOI JUNG WOONG·Filed 2011·Application pending·0 cites
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