Daichi Imabayashi

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Tokyo, JP

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Patents Grantslast 30 patents

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Impregnated cathode and method of manufacturing same, electron gun...
- Patent number 6,425,793
- Issue date Jul 30, 2002
- Sony Corporation
- Yoji Hasegawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Impregnated cathode having varying surface porosity
- Patent number 6,252,341
- Issue date Jun 26, 2001
- Sony Corporation
- Yoji Hasegawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron gun of CRT and manufacturing method therefor
- Patent number 5,697,823
- Issue date Dec 16, 1997
- Sony Corporation
- Masataka Santoku
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron gun of CRT and manufacturing method therefor
- Patent number 5,514,930
- Issue date May 7, 1996
- Sony Corporation
- Masataka Santoku
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode assembly and an electron gun having the same
- Patent number 5,424,606
- Issue date Jun 13, 1995
- Sony Corporation
- Jyoji Karasawa
- H01 - BASIC ELECTRIC ELEMENTS