Youichi Yamamoto

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Patents Grantslast 30 patents

Information Patent Grant
Inverter circuit for discharge lamps for multi-lamp lighting and su...
- Patent number 7,589,478
- Issue date Sep 15, 2009
- Masakazu Ushijima
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Inverter circuit for discharge lamps for multi-lamp lighting and su...
- Patent number 7,282,868
- Issue date Oct 16, 2007
- Masakazu Ushijima
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Starting device for discharge lamp
- Patent number 6,479,948
- Issue date Nov 12, 2002
- Hitachi Ferrite Electronics, Ltd.
- Youichi Yamamoto
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Magnetic core
- Patent number 5,815,062
- Issue date Sep 29, 1998
- Hitachi Metal, Ltd.
- Norikazu Koyuhara
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Inverter circuit for discharge lamps for multi-lamp lighting and su...
- Publication number 20080036393
- Publication date Feb 14, 2008
- Masakazu Ushijima
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Inverter circuit for discharge lamps for multi-lamp lighting and su...
- Publication number 20040155596
- Publication date Aug 12, 2004
- Masakazu Ushijima
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Starting device for a discharge lamp
- Publication number 20010026132
- Publication date Oct 4, 2001
- Youichi Yamamoto
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC