Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6634343 | Evaported fuel processor and fault diagnosing apparatus therefor | Nobuhiko Koyama, Hideki Kato, Noriyasu Amano, Hideaki Itakura, Naoya Kato | 2003-10-21 |
| 6604407 | Leak check apparatus for fuel vapor purge system | Nobuhiko Koyama | 2003-08-12 |