Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4713646 | Gas sensor and method of producing the same | Naotatsu Asahi, Toshio Yoshida | 1987-12-15 |
| 4608232 | Gas sensor | Naotatsu Asahi | 1986-08-26 |
| 4507643 | Gas sensor with improved perovskite type material | Naotatsu Asahi, Toshio Yoshida | 1985-03-26 |