Ichiro Niitsu

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Convergence system
- Patent number 5,172,035
- Issue date Dec 15, 1992
- Hitachi, Ltd.
- Soichi Sakurai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System for converging a plurality of electron beams in cathode ray...
- Patent number 5,086,259
- Issue date Feb 4, 1992
- Hitachi, Ltd.
- Soichi Sakurai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Deflection yoke
- Patent number 5,070,280
- Issue date Dec 3, 1991
- Hitachi, Ltd.
- Nobutaka Okuyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Focus adjusting device for projection display
- Patent number 5,039,923
- Issue date Aug 13, 1991
- Hitachi, Ltd.
- Masanori Ogino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE