Inventor · disambiguated record
Byung J. Chang
Also filed as: CHANG BYUNG J · CHANG BYUNG JIN
57 granted patents·6 pending applications·1,216 citations·filing 1977–2022
99Inventor score
Files withGEN SCIENTIFIC CORP22GENERAL SCIENT CORP12CHANG BYUNG J8KAISER OPTICAL SYSTEMS5GENERAL SCIENT CORPORATION4
Top patents by PatentIndex Score
63 records- 0198US11013573B2Head-mounted illuminator with capacitive proximity controlGENERAL SCIENT CORP·Filed 2018·Granted May 25, 2021·31 cites·18 claims
- 0297US10842002B2Head-mounted medical/dental accessories with voice-controlled operationGENERAL SCIENT CORPORATION·Filed 2018·Granted Nov 17, 2020·34 cites·34 claims
- 0397US8662709B2LED illuminator with improved beam qualityCHANG BYUNG J·Filed 2011·Granted Mar 4, 2014·45 cites·18 claims
- 0496US10066816B2Medical/dental headlamp with adjustable proximity on/off sensorGENERAL SCIENT CORPORATION·Filed 2016·Granted Sep 4, 2018·32 cites·13 claims
- 0596US9465235B2Through-the-lens (TTL) loupes with improved declination angleGENERAL SCIENT CORP·Filed 2014·Granted Oct 11, 2016·39 cites·3 claims
- 0696US8120847B2Through-the-lens loupe assembly with interpupillary distance adjustmentCHANG BYUNG J·Filed 2009·Granted Feb 21, 2012·57 cites·7 claims
- 0793USD617825SPair of through-the-lens medical/dental loupesGEN SCIENTIFIC CORP·Filed 2009·Granted Jun 15, 2010·49 cites·1 claims
- 0892USD746354SThrough-the-lens loupes with improved declination angleGEN SCIENTIFIC CORP·Filed 2014·Granted Dec 29, 2015·48 cites·1 claims
- 0992US8068169B2Clip-on video camera system for medical, surgical and dental applicationsCHANG BYUNG JIN·Filed 2007·Granted Nov 29, 2011·47 cites·13 claims
- 1092US8047684B2LED illuminator with improved beam qualityGEN SCIENTIFIC CORP·Filed 2009·Granted Nov 1, 2011·26 cites·18 claims
- 1192USD592693SThrough-the-lens medical/dental loupesGEN SCIENTIFIC CORP·Filed 2008·Granted May 19, 2009·48 cites·1 claims
- 1291US9052455B2Head-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
- 1391USD592692SThrough-the-lens medical/dental loupesGEN SCIENTIFIC CORP·Filed 2008·Granted May 19, 2009·43 cites·1 claims
- 1491US7465078B2Heat-dissipating head-mounted LED lampGEN SCIENTIFIC CORP·Filed 2006·Granted Dec 16, 2008·41 cites·9 claims
- 1590US9494299B2High-efficiency LED illuminator with improved beam quality and ventilated housingGENERAL SCIENT CORP·Filed 2014·Granted Nov 15, 2016·16 cites·20 claims
- 1690USD592691SThrough-the-lens medical/dental loupesGEN SCIENTIFIC CORP·Filed 2008·Granted May 19, 2009·41 cites·1 claims
- 1789US4245882ADoubly modulated on-axis thick hologram optical elementENVIRONMENTAL RES INST·Filed 1977·Granted Jan 20, 1981·51 cites·6 claims
- 1887US6493136B2Clip-on optical mounting structureGEN SCIENTIFIC CORP·Filed 2001·Granted Dec 10, 2002·36 cites·6 claims
- 1986US5011284ADetection system for Raman scattering employing holographic diffractionKAISER OPTICAL SYSTEMS·Filed 1990·Granted Apr 30, 1991·81 cites·16 claims
- 2084US8964291B2Mechanically stabilized optical mounting assemblyCHANG BYUNG J·Filed 2012·Granted Feb 24, 2015·6 cites·7 claims
- 2184USD602185SClip-on head-mounted LED light for medical and dental professionalsGEN SCIENTIFIC CORP·Filed 2008·Granted Oct 13, 2009·29 cites·1 claims
- 2283US11402658B2Removable, adjustable wire arms for nose padsGENERAL SCIENT CORP·Filed 2019·Granted Aug 2, 2022·2 cites·9 claims
- 2382USD649571SLow-profile optical mounting assemblyCUMMINGS THOMAS A·Filed 2011·Granted Nov 29, 2011·5 cites·1 claims
- 2482US6333814B1Stable ocular mounting assemblyGEN SCIENTIFIC CORP·Filed 2000·Granted Dec 25, 2001·33 cites·11 claims
- 2581US5446507ASpectacle frame for telemicroscopes and the likeGEN SCIENTIFIC CORP·Filed 1993·Granted Aug 29, 1995·53 cites·9 claims
- 2677US7791798B2Low-profile optical mounting assemblyGEN SCIENTIFIC CORP·Filed 2006·Granted Sep 7, 2010·6 cites·4 claims
- 2775USD1027016SWrap-around eyeglass frames with bridge mounting structureGENERAL SCIENT CORP·Filed 2022·Granted May 14, 2024·0 cites·1 claims
- 2875US7673989B2Telemicroscopic loupes with removable, replaceable lens cap to adjust for working distanceGEN SCIENTIFIC CORP·Filed 2006·Granted Mar 9, 2010·10 cites·4 claims
- 2973US5920371AVersatile headband optical mounting assemblyFiled 1997·Granted Jul 6, 1999·40 cites·8 claims
- 3073US5870166AVersatile optical mounting assemblyFiled 1997·Granted Feb 9, 1999·40 cites·17 claims
- 3171US6513929B2Ergonomic frames for telescopic loupesFiled 2002·Granted Feb 4, 2003·12 cites·1 claims
- 3270US12000549B2Head-mounted medical/dental accessories with voice-controlled operationGENERAL SCIENT CORP·Filed 2020·Granted Jun 4, 2024·0 cites·11 claims
- 3368USD636011SSpectacle framesGEN SCIENTIFIC CORP·Filed 2010·Granted Apr 12, 2011·15 cites·1 claims
- 3468US7641335B2Stable titanium spectacle frames for telemicroscopes and surgical telescopesGEN SCIENTIFIC CORP·Filed 2006·Granted Jan 5, 2010·6 cites·6 claims
- 3568US4879167AReal time holographic filter using nonlinear optical materialsKAISER OPTICAL SYSTEM INC·Filed 1987·Granted Nov 7, 1989·25 cites·13 claims
- 3665USD682450SHead-mountable LED illuminatorCHANG BYUNG J·Filed 2012·Granted May 14, 2013·13 cites·1 claims
- 3764US12386206B2Ergonomic loupes with beam-redirecting prismsGeneral Scientific/Surgitel·Filed 2022·Granted Aug 12, 2025·0 cites·20 claims
- 3864US9383077B2High-efficiency LED illuminator with improved beam qualityGEN SCIENTIFIC CORP·Filed 2014·Granted Jul 5, 2016·1 cites·33 claims
- 3963US9273836B2Medical/dental headlight system with interchangeable beam-forming opticsCHANG BYUNG J·Filed 2009·Granted Mar 1, 2016·2 cites·6 claims
- 4062US8913318B2Low profile optical mounting assemblyCUMMINGS THOMAS A·Filed 2010·Granted Dec 16, 2014·1 cites·8 claims
- 4160USD1057238SLED lightGENERAL SCIENT CORP /SURGITEL·Filed 2022·Granted Jan 7, 2025·2 cites·1 claims
- 4260US5124815AMethod for forming holographic optical elements free of secondary fringesKAISER OPTICAL SYSTEMS·Filed 1991·Granted Jun 23, 1992·22 cites·26 claims
- 4359US12140818B2Multifunctional mounting assembly for wrap-around eyeglass framesGENERAL SCIENT CORP·Filed 2020·Granted Nov 12, 2024·0 cites·21 claims
- 4458US6039461ACompact high-intensity lighting assemblyGEN SCIENTIFIC CORP·Filed 1998·Granted Mar 21, 2000·26 cites·7 claims
- 4557US5587847ALaser protection window using holographic optical element and channel platesKAISER OPTICAL SYSTEMS·Filed 1990·Granted Dec 24, 1996·25 cites·30 claims
- 4656US6340228B1Conformable soft nose padsGEN SCIENTIFIC CORP·Filed 2000·Granted Jan 22, 2002·8 cites·10 claims
- 4751US5179630ALaser protection window with tilted modulated index of refraction filter elementsKAISER OPTICAL SYSTEMS INC·Filed 1988·Granted Jan 12, 1993·14 cites·25 claims
- 4849US2015003048A1Motion-activated medical/dental headlampCHANG BYUNG J·Filed 2013·Application pending·0 cites
- 4949US2015003049A1Medical/dental headlamp with adjustable proximity on/off sensorGEN SCIENTIFIC CORP·Filed 2014·Application pending·0 cites
- 5046US5071208ATwo beam method for forming holographic optical elements free of secondary fringesKAISER OPTICAL SYSTEMS·Filed 1990·Granted Dec 10, 1991·13 cites·12 claims
Showing the top 50 of 63 patent records by PatentIndex Score.
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