Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D904215 | Smoke detector | Hayato Tsurumi | 2020-12-08 |
| D871245 | Fire detector | Hayato Tsurumi | 2019-12-31 |
| D849580 | Fire detector | Hayato Tsurumi | 2019-05-28 |
| 9836937 | Sensor system, sensor, and detachment tool | Koichiro Kawaguchi | 2017-12-05 |
| D675948 | Heat and smoke detector | Koichiro Kawaguchi, Hidetaka Irumano, Manabu Matsumoto | 2013-02-12 |