Inventor
OHNISHI MASAHITO
JP15 patents
⚠️ This page may combine multiple inventors who share the name “OHNISHI MASAHITO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC WORKS LTD
11 patentsUS5761058AJun 2, 1998
Power converter apparatus for a discharge lamp
MATSUSHITA ELECTRIC WORKS LTD133 citations97
US5610807AMar 11, 1997
Power converting system with a plurality of charging capacitors
MATSUSHITA ELECTRIC WORKS LTD70 citations96
US5920155AJul 6, 1999
Electronic ballast for discharge lamps
MATSUSHITA ELECTRIC WORKS LTD61 citations95
US5608614AMar 4, 1997
Power converter
MATSUSHITA ELECTRIC WORKS LTD75 citations95
US5434479AJul 18, 1995
Full-bridge inverter for discharge lamp lighting device with varied transistor zero voltage period
MATSUSHITA ELECTRIC WORKS LTD68 citations95
US6324078B1Nov 27, 2001
Power source device
MATSUSHITA ELECTRIC WORKS LTD32 citations92
US5444310AAug 22, 1995
Apparatus for operating discharge lamps
MATSUSHITA ELECTRIC WORKS LTD48 citations91
US5969963AOct 19, 1999
Power converting device supplying AC voltage of a continuous wave form
MATSUSHITA ELECTRIC WORKS LTD15 citations74
US5229690AJul 20, 1993
Apparatus for operating discharge lamps utilizing a capacitor and charging circuit
MATSUSHITA ELECTRIC WORKS LTD16 citations74
US5804924ASep 8, 1998
Discharge lamp with two voltage levels
MATSUSHITA ELECTRIC WORKS LTD9 citations72
US6246181B1Jun 12, 2001
Discharge lamp lighting device
MATSUSHITA ELECTRIC WORKS LTD6 citations61