Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5343701 | Air-fuel ratio control system for internal combustion engine | Hisayo Douta, Atsushi Suzuki | 1994-09-06 |
| 5315823 | Control apparatus for speedily warming up catalyst in internal combustion engine | Seiithirou Nishikawa, Toshiaki Kikuchi | 1994-05-31 |