Tetsushin Yazu

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Nagaokakyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Manufacturing method of picture tube
- Patent number 5,547,409
- Issue date Aug 20, 1996
- Mitsubishi Denki Kabushiki Kaisha
- Koji Nakamura
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Cathode-ray tube display unit and method of making the same
- Patent number 5,447,460
- Issue date Sep 5, 1995
- Mitsubishi Denki Kabushiki Kaisha
- Koji Nakamura
- H01 - BASIC ELECTRIC ELEMENTS