Toshiharu Shimizu

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Pincushion distortion correction device
- Patent number 4,737,692
- Issue date Apr 12, 1988
- Hitachi, Ltd.
- Nobutaka Okuyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Convergence correcting device capable of coma correction for use in...
- Patent number 4,725,763
- Issue date Feb 16, 1988
- Hitachi, Ltd.
- Nobutaka Okuyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Deflection yoke for a picture tube of a projection color television...
- Patent number 4,433,318
- Issue date Feb 21, 1984
- Hitachi, Ltd.
- Nobutaka Okuyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Deflecting yoke for use in picture tube of projection color televis...
- Patent number 4,420,734
- Issue date Dec 13, 1983
- Hitachi, Ltd.
- Toshiharu Shimizu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Self-converging deflection yoke
- Patent number 4,246,560
- Issue date Jan 20, 1981
- Hitachi, Ltd.
- Toshiharu Shimizu
- H01 - BASIC ELECTRIC ELEMENTS