Inventor · disambiguated record
Chang-Hyeon Ji
Also filed as: JI CHANG-HYEON
20 granted patents·10 pending applications·111 citations·filing 2001–2022
93Inventor score
Files withLG ELECTRONICS INC15KIM JEONG HYEON4UNIV EWHA IND COLLABORATION2EWHA UNIVERSITY-INDUSTRY COLLABORATION FOUND1JI CHANG-HYEON1
Top patents by PatentIndex Score
30 records- 0190US7116017B2Device for reducing deterioration of image quality in display using laserLG ELECTRONICS INC·Filed 2005·Granted Oct 3, 2006·24 cites·12 claims
- 0278US7014165B2Flow control valve and flow control valve apparatus using the sameLG ELECTRONICS INC·Filed 2004·Granted Mar 21, 2006·22 cites·23 claims
- 0374US7324252B2Electromagnetic scanning micro-mirror and optical scanning device using the sameLG ELECTRONICS INC·Filed 2006·Granted Jan 29, 2008·5 cites·18 claims
- 0471US6830064B2Leak control valveFiled 2001·Granted Dec 14, 2004·16 cites·2 claims
- 0570US7567396B2Variably focusing mirror driven by electromagnetic force and operating method thereofLG ELECTRONICS INC·Filed 2006·Granted Jul 28, 2009·5 cites·17 claims
- 0669US7412157B2Lens driving deviceLG ELECTRONICS INC·Filed 2005·Granted Aug 12, 2008·4 cites·20 claims
- 0764USD664679SMember for windows and doorsKIM JEONG-HYEON·Filed 2011·Granted Jul 31, 2012·14 cites·1 claims
- 0862US12510748B2Scanning micromirrorEWHA UNIVERSITY—INDUSTRY COLLABORATION FOUND·Filed 2022·Granted Dec 30, 2025·0 cites·12 claims
- 0957US9656854B2MEMS microphone with dual-back plate and method of manufacturing the sameKOREA MACH & MATERIALS INST·Filed 2012·Granted May 23, 2017·1 cites·6 claims
- 1056US7626312B2Surface acoustic wave linear motor, surface acoustic wave linear motor package, and lens actuator adopting the surface acoustic wave linear motor packageLG ELECTRONICS INC·Filed 2006·Granted Dec 1, 2009·1 cites·12 claims
- 1156US7453617B2Scanning device and fabrication method thereofLG ELECTRONICS INC·Filed 2005·Granted Nov 18, 2008·2 cites·17 claims
- 1255USD664680SMember for windows and doorsKIM JEONG-HYEON·Filed 2011·Granted Jul 31, 2012·9 cites·1 claims
- 1354US7433107B2Raster scanning display systemLG ELECTRONICS INC·Filed 2005·Granted Oct 7, 2008·2 cites·20 claims
- 1452US2008225419A1Varifocal mirror and camera module comprising the sameLG ELECTRONICS INC·Filed 2007·Application pending·0 cites
- 1551US2010090566A1Surface acoustic wave linear motor, surface acoustic wave linear motor package, and lens actuator adopting the surface acoustic wave linear motor packageJI CHANG-HYEON·Filed 2009·Application pending·0 cites
- 1649US2006170766A1Varifocal mirror and camera module comprising the sameLG ELECTRONICS INC·Filed 2006·Application pending·0 cites
- 1747US7079329B2Micro actuator for controlling focal depthLG ELECTRONICS INC·Filed 2004·Granted Jul 18, 2006·2 cites·25 claims
- 1845US10551612B2Scanning apparatusSENPLUS INC·Filed 2017·Granted Feb 4, 2020·0 cites·4 claims
- 1944US12128248B2Optical probeUNIV EWHA IND COLLABORATION·Filed 2021·Granted Oct 29, 2024·0 cites·10 claims
- 2044US2006244859A1Small form factor camera module with mechanical iris and shutterLG ELECTRONICS INC·Filed 2006·Application pending·0 cites
- 2142US7055797B2Micro-actuator, fabrication method thereof, and micro-actuating valveLG ELECTRONICS INC·Filed 2004·Granted Jun 6, 2006·0 cites·12 claims
- 2241US9528317B2Sliding window having cleaning unitLG HAUSYS LTD·Filed 2012·Granted Dec 27, 2016·0 cites·3 claims
- 2341US2005078932A1Variable optical attenuatorFiled 2004·Application pending·0 cites
- 2441US2022023584A1Artificial intelligence-based non-invasive neural circuit control treatment system and method for improving sleepUNIV EWHA IND COLLABORATION·Filed 2019·Application pending·0 cites
- 2541US2005013580A1Variable optical attenuatorFiled 2004·Application pending·0 cites
- 2640US2004091202A1Optical switchLG ELECTRONICS INC·Filed 2003·Application pending·0 cites
- 2739US2004114942A1Optical receiver and optical transmitter using variable optical attenuator, and method for producing variable optical attenuatorFiled 2003·Application pending·0 cites
- 2836US2006139713A1Scanning micro-mirror package, method for fabricating the same, and optical scanning device employing the sameLG ELECTRONICS INC·Filed 2005·Application pending·0 cites
- 2934USD664678SMember for windows and doorsKIM JEONG-HYEON·Filed 2011·Granted Jul 31, 2012·2 cites·1 claims
- 3034USD664267SMember for windows and doorsKIM JEONG-HYEON·Filed 2011·Granted Jul 24, 2012·2 cites·1 claims
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