Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11761890 | Fire detection device | Tomohiko Shimadzu, Keisuke Washizu, Manabu Dohi, Yasuharu Fujiwara | 2023-09-19 |
| 11614396 | Fire detection device | Yasuharu Fujiwara, Isao Saeki | 2023-03-28 |