Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5070318 | Exhaust gas sensor and process for producing same | Mariko Hanada, Kazunari Komatsu | 1991-12-03 |
| 4958513 | Gas detecting device | Susumu Yasunaga | 1990-09-25 |
| 4911914 | Method for producing an exhaust gas sensor | Kazuko Satake, Mariko Hanada, Kazunari Komatsu | 1990-03-27 |