Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5605041 | Air-fuel ratio control system for internal combustion engines | Yoichi Iwata, Takayoshi Nakayama | 1997-02-25 |
| 5542248 | Air-fuel ratio control system for internal combustion engines | Yoichi Iwata, Takayoshi Nakayama | 1996-08-06 |
| 5329909 | Evaporative fuel-purging control system for internal combustion engines | Fumio Hosoda, Masayuki Habaguchi, Kazuhito Kakimoto, Toru Tochizawa, Masashi Uchiyama | 1994-07-19 |
| 4844041 | Method of controlling the air/fuel ratio for an internal combustion engine mounted on a vehicle | Junichi Koseki, Hiroaki Iwasaki, Norio Tomobe, Kozo Suzuki | 1989-07-04 |