Hidegi Kuwajima

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Patents Grantslast 30 patents

Information Patent Grant
Oxide superconductor Bi--Sr--Ca--Mg--Ba--Cu--O
- Patent number 5,238,911
- Issue date Aug 24, 1993
- Hitachi Chemical Company Ltd.
- Hidegi Kuwajima
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES