Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9384638 | Sounder | — | 2016-07-05 |
| 8125320 | Fire alarm system | — | 2012-02-28 |
| 7965175 | Sounder | — | 2011-06-21 |
| 7062953 | Sampling tube-type smoke detector | Yoshitaka Egawa | 2006-06-20 |
| 6960987 | Fire alarm system, fire sensor, fire receiver, and repeater | Manabu Dohi, Masahiko Nemoto, Hiroshi Shima, Naoya Matsuoka | 2005-11-01 |
| 6522254 | Smoke detector, and insect screen | — | 2003-02-18 |
| 6288647 | Photoelectric smoke detector, and smoke detection section assembly | — | 2001-09-11 |
| 5729207 | Corrosive gas detecting sensor | — | 1998-03-17 |