Takashi Kohgo

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical fibre, waveguide, and optical active device
- Patent number 5,430,824
- Issue date Jul 4, 1995
- Sumitomo Electric Industries, Ltd.
- Yoshiki Chigusa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of producing superconducting ceramic wire having protective...
- Patent number 5,232,901
- Issue date Aug 3, 1993
- Sumitomo Electric Industries, Inc.
- Masashi Onishi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method of producing superconducting ceramic wire and product
- Patent number 5,229,357
- Issue date Jul 20, 1993
- Sumitomo Electric Industries, Ltd.
- Masashi Onishi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of producing superconducting ceramic wire
- Patent number 4,975,416
- Issue date Dec 4, 1990
- Sumitomo Electric Industries, Ltd.
- Masashi Onishi
- H01 - BASIC ELECTRIC ELEMENTS