Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8028516 | Exhaust emission purifying apparatus for engine | Kouji Masuda, Nobuhiko Masaki | 2011-10-04 |
| 8011176 | Exhaust emission purifying apparatus for internal combustion engine | Nobuhiko Masaki, Hisashi Akagawa, Yuji Yajima | 2011-09-06 |
| 7975470 | Apparatus for judging condition of injection of reducing agent incorporated in exhaust gas purification system | Nobuhiko Masaki, Masakazu Yano | 2011-07-12 |