Shigeru Ichikawa

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Hamamatsu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electron tube with improved airtight seal between faceplate and sid...
- Patent number 6,020,684
- Issue date Feb 1, 2000
- Hamamatsu Photonics K,K,
- Yasuharu Negi
- H01 - BASIC ELECTRIC ELEMENTS