AJ

Andrew Johnsen

OS Osram Sylvania: 5 patents #4 of 87Top 5%
📍 Danvers, MA: #2 of 28 inventorsTop 8%
🗺 Massachusetts: #244 of 9,131 inventorsTop 3%
Overall (2011): #19,138 of 364,097Top 6%
5
Patents 2011

Issued Patents 2011

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
8076865 Ignition for ceramic metal halide high frequency ballasts James N. Lester 2011-12-13
7982402 Integrated igniter base for ceramic metal halide light source Glenn Freeman 2011-07-19
7931514 Method of making an integral HID reflector lamp Jason Li, Glenn Freeman, Harold L. Rothwell, Jr., Randall D. Brown 2011-04-26
7919926 Aggregate ignition method in high frequency metal halide lamps Phillip Whitt, Harold L. Rothwell, Jr. 2011-04-05
7863827 Ceramic metal halide lamp bi-modal power regulation control Phillip Whitt 2011-01-04