Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6813880 | Fuel injection controlling apparatus for engine | Toshihiko Nishiyama | 2004-11-09 |
| 6767378 | Exhaust gas purifying system for internal combustion engine | Toshihiko Nishiyama, Nobuhiko Emori | 2004-07-27 |