Assignee
- Japan Oil, Gas And Metals National
- Inpex
- Jx Nippon Oil & Energy
- Japan Petroleum Exploration Co.
- Cosmo Oil Co.
- NS Sumikin Engineering
Inventors
- Shinya Takahashi (110 patents)
- Kazuhiko Tasaka (19 patents)
- Yuichi Tanaka (67 patents)
- Marie Iwama (18 patents)