Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5848649 | Fire extinguisher | Katsutoshi Matsumoto | 1998-12-15 |
| 5676190 | Fire extinguisher | Katsutoshi Matsumoto | 1997-10-14 |
| 5615743 | Fire extinguisher | Katsutoshi Matsumoto | 1997-04-01 |