Junichi Takeuchi

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Hamamatsu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electron tubes using insulation material containing little alkali m...
- Patent number 5,619,099
- Issue date Apr 8, 1997
- Hamamatsu Photonics K.K.
- Kimitsugu Nakamura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Photomultiplier tube having a metal-made sidewall
- Patent number 5,504,386
- Issue date Apr 2, 1996
- Hamamatsu Photonics K.K.
- Hiroyuki Kyushima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Photoelectron emitting device having a photocathode made of photoel...
- Patent number 5,371,435
- Issue date Dec 6, 1994
- Hamamatsu Photonics K.K.
- Keiichi Ohishi
- H01 - BASIC ELECTRIC ELEMENTS