Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6976356 | Exhaust gas purifier for use in internal combustion engine | Kojiro Okada, Osamu Nakayama, Yasuki Tamura | 2005-12-20 |
| 6938613 | Internal combustion engine | Yasuki Tamura, Kazuhide Iwasa | 2005-09-06 |