Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4596593 | Urea-formaldehyde condensate-based slow release nitrogen fertilizer and process for producing same | Shunsuke Tazawa, Katsuhiko Kurihara, Yuzuru Kawagoe, Kazuhiko Kon | 1986-06-24 |