Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6447568 | Composting accelerator | Kiwamu Shiiba, Kenzo Okada | 2002-09-10 |
| 6383246 | Composting accelerator for plant-derived material | Ryoichi Konishi, Kenzo Okada | 2002-05-07 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6447568 | Composting accelerator | Kiwamu Shiiba, Kenzo Okada | 2002-09-10 |
| 6383246 | Composting accelerator for plant-derived material | Ryoichi Konishi, Kenzo Okada | 2002-05-07 |