申请人 |
MITSUBISHI MATERIALS CORPORATION;HITACHI, LTD.;INTERNATIONAL SUPERCONDUCTIVITY TECHNOLOGY CENTER |
发明人 |
SAKURAI, TAKESHI, C/O SUPERCONDUCTIVITY RES. LAB.;YAMASHITA, TORU, C/O SUPERCONDUCTIVITY RES. LAB.;YAMAUCHI, HISAO, C/O SUPERCONDUCTIVITY RES. LAB.;TANAKA, SHOJI, C/O SUPERCONDUCTIVITY RES. LAB. |