申请人 |
FURUKAWA ELECTRIC CO LTD:THE;HOKKAIDO ELECTRIC POWER CO INC:THE;TOHOKU ELECTRIC POWER CO INC;TOKYO ELECTRIC POWER CO INC:THE;ELECTRIC POWER DEV CO LTD |
发明人 |
KIKUCHI SUKEYUKI;SHIROYAMA KAISUKE;SAKAMOTO MASAYUKI;HARA CHIKUSHI;MITSUI YUKIO;OGAWA KIYOSHI;YOSHINO SUMITAKA |