Assignee
- Japan Oil, Gas And Metals National
- Inpex
- Jx Nippon Oil & Energy
- Japan Petroleum Exploration Co.
- Cosmo Oil Co.
- Nippon Steel Engineering Co.
- Chiyoda
Inventors
- Shinya Hodoshima (5 patents)
- Fuyuki Yagi (15 patents)
- Shuhei Wakamatsu (12 patents)
- Kenichi Kawazuishi (14 patents)