Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7422907 | Process for measuring mercury concentration within hydrocarbons | Hitomi Hirano, Shinichi Okada, Yoshio Yasuda | 2008-09-09 |
| 5354936 | Method for preparing ethane and ethylene from methane | Masami Yamamura, Hideo Okado, Kazutoshi Chaki, Toshiya Wakatsuki | 1994-10-11 |