Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4563209 | Aquatic organism inhibiting composition | Hideo Ohi, Chihiro Yazawa | 1986-01-07 |
| 4318730 | Aquatic organism inhibiting composition | Hideo Ohi, Chihiro Yazawa | 1982-03-09 |