Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6815393 | Catalyst for purification of exhaust gas | Junichi Suzuki | 2004-11-09 |
| 6800108 | Filter made of porous ceramic sintered body | — | 2004-10-05 |
| 6716512 | Honeycomb structure and process for production thereof | Yoshinori Yamamoto, Takashi Harada | 2004-04-06 |