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