申请人 |
TOKYO ELECTRIC POWER CO INC:THE;SHIMIZU CORP;SEKISUI PLASTICS CO LTD |
发明人 |
TANAKA TOSHIHIKO;ISHIKAWA TSUKASA;WATANABE KUNIAKI;IGARASHI SEISHIRO;OBATA MASAO;TOMONAGA HISAO;HATSUYAMA SHINOBU;ONO TADASHI;TAKADA HIROO;TEZUKA TAKEHITO;YAMAMOTO TAKESHI;KOYAMA MASATAKE;WATANABE KOJI |