Inventor
USHIJIMA MASAKAZU
JP21 patents
⚠️ This page may combine multiple inventors who share the name “USHIJIMA MASAKAZU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
USHIJIMA MASAKAZU
9 patentsUS5495405AFeb 27, 1996
Inverter circuit for use with discharge tube
USHIJIMA MASAKAZU123 citations96
US7282868B2Oct 16, 2007
Inverter circuit for discharge lamps for multi-lamp lighting and surface light source system
USHIJIMA MASAKAZU25 citations90
US7548028B2Jun 16, 2009
Current-mode resonant inverter circuit
USHIJIMA MASAKAZU10 citations83
US7453216B2Nov 18, 2008
Current resonance type inverter circuit and power controlling method
USHIJIMA MASAKAZU9 citations83
US7589478B2Sep 15, 2009
Inverter circuit for discharge lamps for multi-lamp lighting and surface light source system
USHIJIMA MASAKAZU9 citations80
US7391166B2Jun 24, 2008
Parallel lighting system for surface light source discharge lamps
USHIJIMA MASAKAZU10 citations78
US7541749B2Jun 2, 2009
Current-mode resonant inverter circuit for discharge lamp
USHIJIMA MASAKAZU4 citations62
US8102681B2Jan 24, 2012
Measurement apparatus, test apparatus, and measurement method
USHIJIMA MASAKAZU0 citations51
US7772785B2Aug 10, 2010
Parallel lighting system for surface light source discharge lamps
USHIJIMA MASAKAZU0 citations46
GREATCHIP TECHNOLOGY CO LTD
3 patentsUS7365501B2Apr 29, 2008
Inverter transformer
GREATCHIP TECHNOLOGY CO LTD21 citations91
US7474064B2Jan 6, 2009
Lamp driving circuit for a discharge lamp and a control method thereof
GREATCHIP TECHNOLOGY CO LTD8 citations80
US7605544B2Oct 20, 2009
Current balancing circuit
GREATCHIP TECHNOLOGY CO LTD2 citations49