Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6073700 | Sprinkler head | Toshihide Tsuji, Suguru Shimokawa | 2000-06-13 |
| 6044912 | Sprinkler head | Toshihide Tsuji, Suguru Shimokawa | 2000-04-04 |
| 5392990 | Firefighting double-nozzle deluge gun and control method thereof | Teruo Iwata, Toshihide Tsuji, Shuji Matsumoto | 1995-02-28 |