Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5421123 | Vegetation mat | Michihei Sakate, Tomofumi Matsumoto, Jungi Katayama, Nobumasa Mitunaga, Kaname Hori +2 more | 1995-06-06 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5421123 | Vegetation mat | Michihei Sakate, Tomofumi Matsumoto, Jungi Katayama, Nobumasa Mitunaga, Kaname Hori +2 more | 1995-06-06 |