Toshihiko Sawai

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Shizuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electron tube including aluminum seal ring
- Patent number 5,594,301
- Issue date Jan 14, 1997
- Hamamatsu Photonics K.K.
- Toshihiko Sawai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical window and radiation position-sensitive detector using the...
- Patent number 4,960,997
- Issue date Oct 2, 1990
- Hamamatsu Photonics Kabushiki Kaisha
- Mitsuo Watanabe
- G02 - OPTICS