Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4588431 | Mixed phosphatic fertilizer and process for producing the same | Teruo Nakamura, Michio Kiyoto, Isao Hasegawa | 1986-05-13 |
| 4440560 | Mixed phosphatic fertilizer and process for producing the same | Teruo Nakamura, Michio Kiyoto, Isao Hasegawa | 1984-04-03 |