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