Assignee
- Sakai Chemical Industry Co.
- Petroleum Energy Center
- Cosmo Oil Co.
- Agency Of Industrial Science And Technology
Inventors
- Tadao Nakatsuji (37 patents)
- Hiromitsu Shimizu (34 patents)
- Ritsu Yasukawa (5 patents)
- Masaaki Kawatsuki (3 patents)
- Mitsunori Tabata (23 patents)
- Hiroshi Tsuchida (12 patents)
- Yoshiaki Kintaichi (5 patents)
- Motoi Sasaki (12 patents)