Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5421123 | Vegetation mat | Tomofumi Matsumoto, Jungi Katayama, Nobumasa Mitunaga, Shunta Tada, Kaname Hori +2 more | 1995-06-06 |
| 5033231 | Net for grassing | Masashi Shibata, Katsumi Tamura, Tomofumi Matsumoto | 1991-07-23 |