Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6806225 | Catalyst for exhaust gas purification, process for producing the same, and method of purifying exhaust gas | Yasuo Ikeda, Hiroshi Hirayama, Riemi Tanizawa | 2004-10-19 |