Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4495290 | Apparatus for composting | Kanichi Ito, Yoshio Hirayama, Ryoichi Takeuchi, Masanori Kodaira | 1985-01-22 |
| 4410348 | Method for composting | Kanichi Ito, Yoshio Hirayama, Ryoichi Takeuchi, Masanori Kodaira | 1983-10-18 |