Katsuzo Mukai

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Cleaning a glass preform with a high temperature inert gas during t...
- Patent number 5,922,098
- Issue date Jul 13, 1999
- Sumitomo Electric Industries, Ltd.
- Katsuyuki Tsuneishi
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method for drawing glass preform for optical fiber
- Patent number 5,788,734
- Issue date Aug 4, 1998
- Sumitomo Electric Industries, Ltd.
- Sumio Hoshino
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method and apparatus for drawing glass preform for optical fiber
- Patent number 5,674,306
- Issue date Oct 7, 1997
- Sumitomo Electric Industries, Ltd.
- Sumio Hoshino
- C03 - GLASS MINERAL OR SLAG WOOL