Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5960773 | Engine control apparatus | Kimiyoshi Nishizawa | 1999-10-05 |
| 5724950 | Exhaust gas recirculating controller | Kazushige Yokota | 1998-03-10 |
| 5697340 | Engine cold startup controller | Kimiyoshi Nishizawa | 1997-12-16 |