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Masanao Okawa
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Woburn, MA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Discharge lamp lighting control device
Patent number
7,391,165
Issue date
Jun 24, 2008
Matsushita Electric Works, Ltd.
Fred C. Lee
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
High-intensity discharge lamp operating device and method for contr...
Patent number
6,958,581
Issue date
Oct 25, 2005
Matsushita Electric Works, Ltd.
Masanao Okawa
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Lighting system and electric power supplier for the same
Patent number
6,838,834
Issue date
Jan 4, 2005
Matsushita Electric Works, Ltd.
Masanao Okawa
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
Discharge lamp lighting control device
Publication number
20060279230
Publication date
Dec 14, 2006
MATSUSHITA ELECTRIC WORKS, Ltd.
Fred C. Lee
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
HIGH-INTENSITY DISCHARGE LAMP OPERATING DEVICE AND METHOD FOR CONTR...
Publication number
20050194916
Publication date
Sep 8, 2005
Matsushita Electric Works, Ltd.
Masanao Okawa
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Lighting system and electric power supplier for the same
Publication number
20040124784
Publication date
Jul 1, 2004
MATSUSHITA ELECTRIC WORKS, Ltd.
Masanao Okawa
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR