申请人 |
COSMO OIL CO., LTD.;INPEX CORPORATION;JAPAN OIL, GAS AND METALS NATIONAL CORPORATION;JX NIPPON OIL & ENERGY CORPORATION;JAPAN PETROLEUM EXPLORATION CO., LTD.;NIPPON STEEL & SUMIKIN ENGINEERING CO., LTD. |
发明人 |
TANAKA, YUICHI;NIITSUMA, TAKUYA;TASAKA, KAZUHIKO;IWAMA, MARIE |