Kenji Iwai

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Patents Grantslast 30 patents

Information Patent Grant
Fluorescent lamp driving device and liquid crystal display apparatu...
- Patent number 8,072,148
- Issue date Dec 6, 2011
- Sony Corporation
- Kenji Iwai
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Transformer, backlight apparatus, and display apparatus
- Patent number 7,696,702
- Issue date Apr 13, 2010
- Sony Corporation
- Kenji Iwai
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Transformer
- Patent number 7,332,992
- Issue date Feb 19, 2008
- Sony Corporation
- Kenji Iwai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Switching power source apparatus
- Patent number 6,324,081
- Issue date Nov 27, 2001
- Sony Corporation
- Hiroshi Sakamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
High voltage regulating circuit
- Patent number 5,331,532
- Issue date Jul 19, 1994
- Sony Corporation
- Kenji Iwai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
FLUORESCENT LAMP DRIVING DEVICE AND LIQUID CRYSTAL DISPLAY APPARATU...
- Publication number 20090243491
- Publication date Oct 1, 2009
- SONY CORPORATION
- Kenji Iwai
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Transformer, backlight apparatus, and display apparatus
- Publication number 20080143277
- Publication date Jun 19, 2008
- SONY CORPORATION
- Kenji Iwai
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Transformer
- Publication number 20070236321
- Publication date Oct 11, 2007
- Sony Corporation
- Kenji Iwai
- H01 - BASIC ELECTRIC ELEMENTS