Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5653055 | Continuously assembled pots for raising and transplanting seedlings | Mamoru Sunaga, Sumio Ito, Masashi Tanimura | 1997-08-05 |
| 5595020 | Continuous assembly of pots for raising and transplanting seedlings | Sumio Ito, Yukio Sasaki | 1997-01-21 |