Kooji Fukuma

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Deflection yoke and cathode-ray tube apparatus comprising the same
- Patent number 5,668,447
- Issue date Sep 16, 1997
- Hitachi, Ltd.
- Nobutaka Okuyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Deflection yoke and cathode-ray tube apparatus comprising the same
- Patent number 5,548,190
- Issue date Aug 20, 1996
- Hitachi, Ltd.
- Nobutaka Okuyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Deflection yoke and cathode ray tube having the same
- Patent number 5,498,939
- Issue date Mar 12, 1996
- Hitachi, Ltd.
- Kooji Fukuma
- H04 - ELECTRIC COMMUNICATION TECHNIQUE