| 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 |
TANAKA YASUZO;KIKUCHI HIROYUKI;OKANIWA KIYOSHI;MITSUI YUKIO;MURAKAMI HIROMI;YOSHINO SUMITAKA |
