Inventor · disambiguated record
Du-Chang Heo
Also filed as: HEO DU C · HEO DU-CHANG
5 granted patents·8 pending applications·10 citations·filing 2004–2015
71Inventor score
Files withSAMSUNG ELECTRONICS CO LTD8HEO DU-CHANG1KERI KOREA ELECTROTECHNOLOGY RES INST1KIM YONG KWAN1PARK SUNG-SOO1
Top patents by PatentIndex Score
13 records- 0171US8016430B2Mobile communication terminal having projectorSAMSUNG ELECTRONICS CO LTD·Filed 2008·Granted Sep 13, 2011·4 cites·17 claims
- 0268US8057047B2Heat radiation structure for portable projectorKIM YONG KWAN·Filed 2008·Granted Nov 15, 2011·3 cites·16 claims
- 0358US10945694B2Breast cancer diagnosis deviceKERI KOREA ELECTROTECHNOLOGY RES INST·Filed 2015·Granted Mar 16, 2021·1 cites·16 claims
- 0458US7447435B2Passive optical networkSAMSUNG ELECTRONICS CO LTD·Filed 2005·Granted Nov 4, 2008·2 cites·8 claims
- 0551US7965515B2Heat radiating structure for electronic module and electronic device having the sameSAMSUNG ELECTRONICS CO LTD·Filed 2008·Granted Jun 21, 2011·0 cites·20 claims
- 0642US2008304526A1Green laser optical packagePARK SUNG-SOO·Filed 2008·Application pending·0 cites
- 0742US2007290960A1Light source driving circuit and methodSAMSUNG ELECTRONICS CO LTD·Filed 2007·Application pending·0 cites
- 0841US2007133635A1Dual light source and laser projection display apparatus using sameSAMSUNG ELECTRONICS CO LTD·Filed 2006·Application pending·0 cites
- 0941US2007139761A1Light source for wavelength conversionSAMSUNG ELECTRONICS CO LTD·Filed 2006·Application pending·0 cites
- 1040US2007230519A1Green optical moduleHEO DU-CHANG·Filed 2007·Application pending·0 cites
- 1139US2007273953A1Method of reducing speckles and an apparatus thereforSAMSUNG ELECTRONICS CO LTD·Filed 2007·Application pending·0 cites
- 1239US2006083272A1Broadband light source and method for fabricating the sameSAMSUNG ELECTRONICS CO LTD·Filed 2005·Application pending·0 cites
- 1335US2005092979A1Single-mode laser diode using strain-compensated multi-quantum-wells and method for manufacturing the sameFiled 2004·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →