Koji Takahashi

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Mobara, JP

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Patents Grantslast 30 patents

Information Patent Grant
In-line color picture tube apparatus with dynamic convergence corre...
- Patent number 4,642,527
- Issue date Feb 10, 1987
- Hitachi, Ltd.
- Koji Takahashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Convergence distortion correction method and apparatus for color ca...
- Patent number 4,401,922
- Issue date Aug 30, 1983
- Hitachi, Ltd.
- Yasuji Kamata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE