Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6648940 | Process for production compost | Shinji Yagihashi, Toshio Kurihara, Shinji Yamashita, Fujio Kobayashi | 2003-11-18 |
| 6607909 | Apparatus for producing compost | Shinji Yagihashi, Toshio Kurihara, Shinji Yamashita, Fujio Kobayashi | 2003-08-19 |