Toshio Usui

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for solid surface analysis using X-ray spectroscopy
- Patent number 5,369,275
- Issue date Nov 29, 1994
- International Superconductivity Technology Center
- Toshio Usui
- G01 - MEASURING TESTING
Information Patent Grant
Substrate material for the preparation of oxide superconductors
- Patent number 5,310,707
- Issue date May 10, 1994
- Superconductivity Research Laboratory International
- Akira Oishi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of producing a superconductive oxide conductor
- Patent number 5,045,527
- Issue date Sep 3, 1991
- Fujikura Ltd.
- Yoshimitsu Ikeno
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES