申请人 |
JAPAN OIL, GAS AND METALS NATIONAL CORPORATION;INPEX CORPORATION;JX NIPPON OIL & ENERGY CORPORATION;JAPAN PETROLEUM EXPLORATION CO., LTD.;COSMO OIL CO., LTD.;NIPPON STEEL ENGINEERING CO., LTD;CHIYODA CORPORATION |
发明人 |
MORITA, YASUMASA;KAWAZUISHI, KENICHI |