BC

Byung J. Chang

GS General Scientific: 39 patents #1 of 9Top 15%
KS Kaiser Optical Systems: 7 patents #4 of 25Top 20%
GC General Scientific Corporation/Surgitel: 6 patents #1 of 3Top 35%
EI Environmental Research Institute: 1 patents #35 of 80Top 45%
📍 Ann Arbor, MI: #84 of 6,071 inventorsTop 2%
🗺 Michigan: #717 of 86,293 inventorsTop 1%
Overall (All Time): #42,210 of 4,157,543Top 2%
57
Patents All Time

Issued Patents All Time

Showing 26–50 of 57 patents

Patent #TitleCo-InventorsDate
8068169 Clip-on video camera system for medical, surgical and dental applications 2011-11-29
D649571 Low-profile optical mounting assembly Thomas Cummings 2011-11-29
8047684 LED illuminator with improved beam quality 2011-11-01
D636011 Spectacle frames 2011-04-12
7791798 Low-profile optical mounting assembly Thomas Cummings 2010-09-07
D617825 Pair of through-the-lens medical/dental loupes 2010-06-15
7673989 Telemicroscopic loupes with removable, replaceable lens cap to adjust for working distance 2010-03-09
7641335 Stable titanium spectacle frames for telemicroscopes and surgical telescopes 2010-01-05
D601975 Belt-worn control unit for LED headlight 2009-10-13
D602185 Clip-on head-mounted LED light for medical and dental professionals 2009-10-13
D592692 Through-the-lens medical/dental loupes 2009-05-19
D592693 Through-the-lens medical/dental loupes 2009-05-19
D592691 Through-the-lens medical/dental loupes 2009-05-19
7465078 Heat-dissipating head-mounted LED lamp 2008-12-16
6513929 Ergonomic frames for telescopic loupes 2003-02-04
6493136 Clip-on optical mounting structure Thomas Cummings 2002-12-10
6369964 Optical filters for reducing eye strain, during surgery 2002-04-09
6340228 Conformable soft nose pads Thomas Cummings, David Nowak 2002-01-22
6333814 Stable ocular mounting assembly Thomas Cummings 2001-12-25
6039461 Compact high-intensity lighting assembly Tom Cummings, David Nowak 2000-03-21
5920371 Versatile headband optical mounting assembly David Nowak 1999-07-06
5870166 Versatile optical mounting assembly David Nowak 1999-02-09
5784143 Spectacle frame having reverse nose pad 1998-07-21
5587847 Laser protection window using holographic optical element and channel plates James M. Tedesco 1996-12-24
5446507 Spectacle frame for telemicroscopes and the like 1995-08-29