申请人 |
TOYO TANSO CO., LTD.;MITSUI CHEMICALS, INC.;SUMITOMO OSAKA CEMENT CO., LTD.;TASAKA, AKIMASA;TOJO, TETSURO;INABA, MINORU;MIMOTO, ATSUHISA;TANAKA, MASAMICHI;SHIMA, KAORI |
发明人 |
TASAKA, AKIMASA;TOJO, TETSURO;INABA, MINORU;MIMOTO, ATSUHISA;TANAKA, MASAMICHI;SHIMA, KAORI |