Individual holder
CHANG BYUNG J
US·6 granted patents·2 pending applications·136 citations·filing 2009–2013
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
8 records- 0197US8662709B2LED illuminator with improved beam qualityCHANG BYUNG J·Filed 2011·Granted Mar 4, 2014·45 cites·18 claims
- 0296US8120847B2Through-the-lens loupe assembly with interpupillary distance adjustmentCHANG BYUNG J·Filed 2009·Granted Feb 21, 2012·57 cites·7 claims
- 0391US9052455B2Head-worn illuminators and magnifiers with optical rejection coatings to assist medical and dental professionalsCHANG BYUNG J·Filed 2012·Granted Jun 9, 2015·13 cites·32 claims
- 0484US8964291B2Mechanically stabilized optical mounting assemblyCHANG BYUNG J·Filed 2012·Granted Feb 24, 2015·6 cites·7 claims
- 0565USD682450SHead-mountable LED illuminatorCHANG BYUNG J·Filed 2012·Granted May 14, 2013·13 cites·1 claims
- 0663US9273836B2Medical/dental headlight system with interchangeable beam-forming opticsCHANG BYUNG J·Filed 2009·Granted Mar 1, 2016·2 cites·6 claims
- 0749US2015003048A1Motion-activated medical/dental headlampCHANG BYUNG J·Filed 2013·Application pending·0 cites
- 0842US2012320568A1Medical/dental headlight system with improved color renditionCHANG BYUNG J·Filed 2011·Application pending·0 cites
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