Issued Patents All Time
Showing 1–3 of 3 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 |
| 6048713 | Pseudomonas fluorescens | Koji Murakami, Akiko Kudo, Hideaki Yamada, Kenzo Okada | 2000-04-11 |