Toshio Shimaohgi

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Fukaya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electron gun assembly of color ray tube
- Patent number 4,967,120
- Issue date Oct 30, 1990
- Kabushiki Kaisha Toshiba
- Takashi Katsuma
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron gun having blackened grids used in-line type color CRT, an...
- Patent number 4,900,978
- Issue date Feb 13, 1990
- Kabushiki Kaisha Toshiba
- Toshio Shimaohgi
- H01 - BASIC ELECTRIC ELEMENTS