Inventor
SIMBAL JOHN J
US12 patents
⚠️ This page may combine multiple inventors who share the name “SIMBAL JOHN J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
3M INNOVATIVE PROPERTIES CO
6 patentsUS7163327B2Jan 16, 2007
Illumination system using a plurality of light sources
3M INNOVATIVE PROPERTIES CO101 citations97
US7360924B2Apr 22, 2008
Illumination system using a plurality of light sources
3M INNOVATIVE PROPERTIES CO50 citations95
US7658526B2Feb 9, 2010
Illumination system using a plurality of light sources
3M INNOVATIVE PROPERTIES CO28 citations92
US7403680B2Jul 22, 2008
Reflective light coupler
3M INNOVATIVE PROPERTIES CO36 citations92
US7329887B2Feb 12, 2008
Solid state light device
3M INNOVATIVE PROPERTIES CO49 citations92
US6853772B2Feb 8, 2005
Fiber grating writing interferometer with continuous wavelength tuning and chirp capability
3M INNOVATIVE PROPERTIES CO40 citations91
MINNESOTA MINING & MFG
4 patentsUS5087987AFeb 11, 1992
Color-corrected telecentric scan lens
MINNESOTA MINING & MFG36 citations92
US4688911AAug 25, 1987
Image mask for microfiche
MINNESOTA MINING & MFG8 citations73
US5481405AJan 2, 1996
Stepless micrographic zoom lens having large magnification ratio
MINNESOTA MINING & MFG5 citations62
US4682863AJul 28, 1987
Ultra-wide angle micrographic lens
MINNESOTA MINING & MFG4 citations62