Inventor
JOHNSEN ANDREW O
US5 patents
⚠️ This page may combine multiple inventors who share the name “JOHNSEN ANDREW O”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OSRAM SYLVANIA INC
4 patentsUS7042165B2May 9, 2006
Driver circuit for LED vehicle lamp
OSRAM SYLVANIA INC61 citations92
US7057356B2Jun 6, 2006
High intensity discharge lamp with boost circuit
OSRAM SYLVANIA INC2 citations60
US7211965B2May 1, 2007
High intensity discharge lamp with current sense resistor
OSRAM SYLVANIA INC1 citations48
US7402956B2Jul 22, 2008
Ballast with zero voltage switching converter
OSRAM SYLVANIA INC0 citations38