Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4821805 | Automatic fire extinguishing system | Hiroshi Nakayama, Hisao Fukui, Naoya Matsuoka | 1989-04-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4821805 | Automatic fire extinguishing system | Hiroshi Nakayama, Hisao Fukui, Naoya Matsuoka | 1989-04-18 |