Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7861683 | Diagnosis device for vehicle | Soichi Saitoh | 2011-01-04 |
| 7805928 | System for controlling exhaust gas sensor having heater | Hirofumi Shouda | 2010-10-05 |
| 7801666 | Air-fuel ratio detection apparatus of internal combustion engine | Tetsuji Mitsuda, Yasuo Sagisaka, Yasuo Hirata | 2010-09-21 |
| 7568476 | Air-fuel ratio control system for internal combustion engine | — | 2009-08-04 |