申请人 |
JAPAN OIL, GAS AND METALS NATIONAL CORPORATION;NIPPON STEEL & SUMIKIN ENGINEERING CO., LTD.;COSMO OIL CO., LTD.;JAPAN PETROLEUM EXPLORATION CO., LTD.;JX NIPPON OIL AND ENERGY CORPORATION;INPEX CORPORATION |
发明人 |
MURATA, ATSUSHI;YAMADA, EIICHI;MURAHASHI, KAZUKI;KATO, YUZURU;ONISHI, YASUHIRO |