Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6634338 | Fuel injection apparatus, fuel injection method and internal combustion engine | Makoto Yamakado, Yoshio Okamoto, Yuzo Kadomukai, Hiromasa Kubo, Kenji Tabuchi +3 more | 2003-10-21 |
| 6543412 | Intake air control device and internal combustion engine mounting the same | Yoshio Okamoto, Yuzo Kadomukai, Takehiko Kowatari, Ayumu Miyajima, Masami Nagano +3 more | 2003-04-08 |
| 6508236 | Fuel supply device and internal combustion engine mounting the same | Yoshio Okamoto, Takehiko Kowatari, Ayumu Miyajima, Yuzo Kadomukai, Toru Ishikawa +4 more | 2003-01-21 |