Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5413683 | Oxygen sensing apparatus and method using electrochemical oxygen pumping action to provide reference gas | Takao Murase | 1995-05-09 |
| 5265458 | Method of compensating output of air/fuel ratio sensor for variation in the current sensitivity to oxygen | Jun Usami | 1993-11-30 |
| 5249453 | Method of compensating output of A/F ratio sensor | Jun Usami | 1993-10-05 |