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 & Sumikin Engineering Co., Ltd. |
发明人 |
ISHITO, Yukifumi;INOUE, Junichi;SHINGU, Masaki;NAGANO, Haruki;TASAKA, Kazuhiko |