Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6133471 | Process for producing chromans | Junko Sato, Koichi Kanehira, Yoshin Tamai | 2000-10-17 |
| 6130341 | Process for producing chromans | Junko Sato, Koichi Kanehira, Yoshin Tamai | 2000-10-10 |