Yoshihiko Usami

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Cold cathode fluorescent discharge lamp apparatus and operating met...
- Patent number 7,315,138
- Issue date Jan 1, 2008
- Sony Corporation
- Yoshihiko Usami
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Picture distortion correcting apparatus
- Patent number 5,747,924
- Issue date May 5, 1998
- Sony Corporation
- Yoshihiko Usami
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Discharge lamp operating device, discharge lamp operating method, l...
- Publication number 20070024206
- Publication date Feb 1, 2007
- SONY CORPORATION
- Yoshihiko Usami
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR