Changqin Jin

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Rock-salt/infinite layer chlorine-containing oxide superconductor a...
- Patent number 5,716,907
- Issue date Feb 10, 1998
- International Superconductivity Technology Center
- Tadashi Tatsuki
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Oxide superconductor and method of producing same
- Patent number 5,670,457
- Issue date Sep 23, 1997
- International Superconductivity Technology Center
- Seiji Adachi
- H01 - BASIC ELECTRIC ELEMENTS