Assignee
- Japan Oil, Gas And Metals National
- Inpex
- Jx Nippon Oil & Energy
- Japan Petroleum Exploration Co.
- Cosmo Oil Co.
- NS Sumikin Engineering
Inventors
- Yasuhiro Onishi (28 patents)
- Kazuhiko Tasaka (19 patents)
- Tomoyuki Mikuriya (7 patents)
US Patent 9434657 · Granted Sep 6, 2016