Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5680830 | Excrement treatment for small animals and method of manufacturing the same | Yuji Kawaguchi, Takashi Koyama | 1997-10-28 |
| 5019155 | Herbicidal granular compositions | Masaomi Kimpara, Kaiji Kawai, Hiroshi Kikuchi | 1991-05-28 |