Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5833813 | Method of recovering and dehydrating ethylene sulfide | Hitoshi Yano, Yoshinari Yamaguchi, Hirokazu Ito, Ryuichi Ishikawa, Yukihiro Matsumoto | 1998-11-10 |
| 4483843 | Desulfurization process for hydrogen sulfide containing gases | Takezo Sonoda, Fumioki Shimoyama, Takahisa Sato | 1984-11-20 |