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1. (WO2007010781) HIGH VOLTAGE DISCHARGE LAMP OPERATION METHOD, OPERATION DEVICE, LIGHT SOURCE DEVICE, AND PROJECTION TYPE IMAGE DISPLAY DEVICE
Available information on National Phase entries(more information)
OfficeEntry DateNational NumberNational Status
China 11.07.2006200680025830.3
United States of America 06.12.200711916712Published: 07.05.2009
Granted: 23.02.2010
Japan 27.12.20072007525954
GermanyWithdrawn: 16.01.2008