Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6729126 | Internal combustion engine having variable valve control system and NOx catalyst | Makoto Ogiso, Kazuhiko Shiratani, Keiji Yoeda, Hideyuki Nishida, Tomomi Yamada +3 more | 2004-05-04 |