Masahiro Yamanaka

Follow

Person

Otsu, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Discharge lamp ballast device and lighting appliance
- Patent number 7,436,123
- Issue date Oct 14, 2008
- Matsushita Electric Works, Ltd.
- Katsunobu Hamamoto
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Ballast for a discharge lamp with integrated control circuit for co...
- Patent number 7,378,804
- Issue date May 27, 2008
- Matsushita Electric Works, Ltd.
- Kei Mitsuyasu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power supply having a chopper with an improved power factor
- Patent number 5,517,399
- Issue date May 14, 1996
- Matsushita Electric Works, Ltd.
- Tokushi Yamauchi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
FAULT DETECTION AND SHUTDOWN CONTROL CIRCUITS AND METHODS FOR ELECT...
- Publication number 20100270932
- Publication date Oct 28, 2010
- Naoki Onishi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
ELECTRONIC BALLAST WITH INPUT VOLTAGE FAULT CONTROL
- Publication number 20100270949
- Publication date Oct 28, 2010
- Naoki Onishi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Discharge Lamp Ballast Device and Lighting Appliance
- Publication number 20070296355
- Publication date Dec 27, 2007
- Matsushita Electric Works, Ltd.
- Katsunobu Hamamoto
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Ballast for a discharge lamp
- Publication number 20060158131
- Publication date Jul 20, 2006
- Kei Mitsuyasu
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...