Masatoshi Akiyama

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Yotsukaidomachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
CRT having an improved internal conductive coating and making the same
- Patent number 6,639,348
- Issue date Oct 28, 2003
- Hitachi, Ltd.
- Hiroshi Ito
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color picture tubes
- Patent number 4,403,170
- Issue date Sep 6, 1983
- Hitachi, Ltd.
- Masayoshi Misono
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for manufacturing cathode ray tubes
- Patent number 4,350,514
- Issue date Sep 21, 1982
- Hitachi, Ltd.
- Masatoshi Akiyama
- C03 - GLASS MINERAL OR SLAG WOOL