Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7509747 | Laser level | Junichi Sudou, Takashi Nishimura | 2009-03-31 |
| 4671362 | Automatic fire extinguisher with infrared ray responsive type fire detector | — | 1987-06-09 |
| 4648462 | Automatic fire extinguisher with infrared ray responsive type fire detector | — | 1987-03-10 |