Shouji Nakayama

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Yokosuka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Cathode structure for electron tube
- Patent number 4,524,296
- Issue date Jun 18, 1985
- Tokyo Shibaura Denki Kabushiki Kaisha
- Shouji Nakayama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Directly heated cathode assembly
- Patent number 4,338,542
- Issue date Jul 6, 1982
- Tokyo Shibaura Denki Kabushiki Kaisha
- Yukio Takanashi
- H01 - BASIC ELECTRIC ELEMENTS