Yoshifumi Nakayama

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electron gun for color cathode-ray tube
- Patent number 5,488,264
- Issue date Jan 30, 1996
- Sony Corporation
- Yutaka Ota
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode-ray tube with electrostatic convergence electrode assembly
- Patent number 5,418,421
- Issue date May 23, 1995
- Sony Corporation
- Kouji Hasegawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron gun for multigun cathode ray tube
- Patent number 4,922,166
- Issue date May 1, 1990
- Sony Corporation
- Koji Ichida
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron gun
- Patent number 4,763,047
- Issue date Aug 9, 1988
- Sony Corporation
- Yuzuru Watanabe
- H01 - BASIC ELECTRIC ELEMENTS