Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6960987 | Fire alarm system, fire sensor, fire receiver, and repeater | Manabu Dohi, Naoto Yamano, Hiroshi Shima, Naoya Matsuoka | 2005-11-01 |
| 6806471 | Flame detection device | Hidenari Matsukuma, Hiroshi Shima | 2004-10-19 |
| 5739610 | Electro-magnetic device | Toshihiko Uematsu, Kyouichi Kakishima | 1998-04-14 |