Assignee
- Mitsubishi Petrochemical Company Limited
- Mitsubishi Mining
- Catalysts & Chemicals Industries Co.
- Mitsubishi Petrochemical Engineering Co.
Inventors
- Makoto Imanari (24 patents)
- Takeo Koshikawa (7 patents)
- Akihiro Yamauchi (11 patents)
- Masayuki Hanada (11 patents)
- Morio Fukuda (13 patents)
- Kiyoshi Nagano (8 patents)