Assignee
- Japan Oil, Gas And Metals National
- Inpex
- Jx Nippon Oil & Energy
- Japan Petroleum Exploration Co.
- Cosmo Oil Co.
- NS Sumikin Engineering
Inventors
- Yukifumi Ishito (1 patents)
- Junichi Inoue (61 patents)
- Masaki Shingu (2 patents)
- Haruki Nagano (1 patents)
- Kazuhiko Tasaka (19 patents)