DC

Densen Cao

CG Cao Group: 63 patents #1 of 15Top 7%
EP Epistar: 7 patents #145 of 732Top 20%
FS Fairchild Semiconductor: 2 patents #274 of 715Top 40%
📍 Sandy, UT: #6 of 1,140 inventorsTop 1%
🗺 Utah: #61 of 19,430 inventorsTop 1%
Overall (All Time): #19,513 of 4,157,543Top 1%
86
Patents All Time

Issued Patents All Time

Showing 51–75 of 86 patents

Patent #TitleCo-InventorsDate
7094054 Dental curing light 2006-08-22
7086858 Semiconductor curing light system useful for curing light activated composite materials 2006-08-08
7077648 Curing light 2006-07-18
7066732 Method for curing light-curable materials 2006-06-27
6988890 Curing light 2006-01-24
6988891 Curing light 2006-01-24
6981867 Curing light 2006-01-03
6979194 Light for activating light-activated materials, the light including a plurality of individual chips and providing a particular spectral profile 2005-12-27
6979193 Curing light 2005-12-27
6974319 Curing light 2005-12-13
6971875 Dental curing light 2005-12-06
6971876 Curing light 2005-12-06
6969253 Light for use in activating light-activated materials, the light having at least one light emitting semiconductor chip, the chip being attached to a primary heat sink that is attached to a secondary heat sink using heat conductive and electrically insulative adhesive 2005-11-29
6955537 LIGHT FOR USE IN ACTIVATING LIGHT-ACTIVATED MATERIALS, THE LIGHT HAVING A PLURALITY OF LIGHT EMITTING SEMICONDUCTOR CHIPS EMITTING LIGHT OF DIFFERING PEAK WAVELENGTHS TO PROVIDE A WIDE LIGHT SPECTRUM PROFILE 2005-10-18
6954270 Method for detecting forensic evidence Calvin D. Ostler, Hongyan Li, Zhaohui Lin 2005-10-11
6953340 Light for use in activating light-activated materials, the light having a detachable light module containing a heat sink and a semiconductor chip 2005-10-11
6932600 Curing light 2005-08-23
6929472 Curing light 2005-08-16
6926524 Curing light 2005-08-09
6910886 Curing light 2005-06-28
6824294 Light for use in activating light-activated materials, the light having a plurality of chips mounted in a gross well of a heat sink, and a dome covering the chips 2004-11-30
6799967 Light for use in activating light-activated materials, the light having a plurality of light emitting single chip arrays 2004-10-05
6783362 Dental curing light using primary and secondary heat sink combination 2004-08-31
6780010 Curing light 2004-08-24
6755649 Curing light 2004-06-29