Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7011444 | Fire sensor | Yukio Yamauchi, Hiroshi Shima | 2006-03-14 |
| 6917296 | Fire heat sensor | Yukio Yamauchi, Hiroshi Shima | 2005-07-12 |
| 6877895 | Fire sensor | Yukio Yamauchi, Hiroshi Shima | 2005-04-12 |