Inventor
TAKAYA IZUMI
JP8 patents
Patents
8 patentsUS6661184B2Dec 9, 2003
Light source device
USHIO ELECTRIC INC21 citations92
US6597118B2Jul 22, 2003
High-pressure mercury lamp luminescent device and means of ignition
USHIO ELECTRIC INC34 citations92
US6552502B2Apr 22, 2003
Light source device
USHIO ELECTRIC INC20 citations90
US6946807B2Sep 20, 2005
Lamp lighting apparatus for a discharge lamp
USHIO ELECTRIC INC13 citations83
US6734643B2May 11, 2004
Light source device
USHIO ELECTRIC INC17 citations82
US7239090B2Jul 3, 2007
Discharge lamp lighting apparatus
USHIO ELECTRIC INC9 citations71
US7439691B2Oct 21, 2008
High pressure discharge lamp lighting device
USHIO ELECTRIC INC6 citations61
US7531965B2May 12, 2009
Discharge centering lamp lighting device
USHIO ELECTRIC INC4 citations59