Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5243952 | Air-fuel ratio control apparatus for use in engine | Kenji Ikuta, Toshio Kondo | 1993-09-14 |
| 4908119 | Apparatus for determining oxygen concentration | Toshitaka Saito, Hiromi Sano, Soji Ota | 1990-03-13 |