Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5047214 | Smell sensing element and smell sensing device | Kiyoshi Fukui, Katsuo Ehara | 1991-09-10 |
| 4369647 | Gas leakage detector | Yoshinao Nozawa, Teruhisa Kojima, Satoshi Kitajima | 1983-01-25 |