Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6814774 | Exhaust gas purification filter | Mamoru Nishimura | 2004-11-09 |
| 6800107 | Exhaust gas purifying filter | Mamoru Nishimura, Makoto Saito | 2004-10-05 |
| 6790248 | Exhaust gas purification filter | Mamoru Nishimura, Hirohumi Yamashita | 2004-09-14 |
| 6764527 | Honeycomb structure constituted by main and sub honeycomb structures | Mamoru Nishimura | 2004-07-20 |