Koichi Takahashi

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Funabashi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for measuring the twisting of an optical fiber, and a method...
- Patent number 6,789,399
- Issue date Sep 14, 2004
- Fujikura Ltd.
- Munehisa Fujimaki
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Apparatus for producing oxide superconductor cable
- Patent number 5,196,399
- Issue date Mar 23, 1993
- Fujikura Ltd.
- Takao Shiota
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Oxide superconductor cable and method of producing the same
- Patent number 5,093,311
- Issue date Mar 3, 1992
- Fujikura Ltd.
- Takao Shiota
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Single crystal oxide superconductor and method of producing the same
- Patent number 5,057,484
- Issue date Oct 15, 1991
- Fujikura Ltd.
- Takao Shiota
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Oxide superconductor
- Patent number 4,970,197
- Issue date Nov 13, 1990
- Fujikura Ltd.
- Takao Shiota
- H01 - BASIC ELECTRIC ELEMENTS