Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11054068 | Connection structure for fire extinguishing system piping | Yukihiro Kon | 2021-07-06 |
| D894339 | Sprinkler head | Yoshiki Sasaki, Yuta Watanabe | 2020-08-25 |
| D887800 | Spanner wrench | Yasuaki Koiwa | 2020-06-23 |
| D887527 | Wrench socket for sprinkler head | Yasuaki Koiwa | 2020-06-16 |
| D886945 | Deflector for sprinkler head | Yoshiki Sasaki, Yuta Watanabe | 2020-06-09 |
| D821550 | Pipe joint | Yukihiro Kon | 2018-06-26 |