申请人 |
CHIYODA CORPORATION;COSMO OIL CO., LTD.;INPEX CORPORATION;JX NIPPON OIL & ENERGY CORPORATION;JAPAN OIL, GAS AND METALS NATIONAL CORPORATION;JAPAN PETROLEUM EXPLORATION CO.,LTD.;NIPPON STEEL ENGINEERING CO., LTD. |
发明人 |
FUYUKI YAGI;KENICHI KAWAZUISHI;SHINYA HODOSHIMA;SHUHEI WAKAMATSU |