Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9381467 | Metal carrier catalyst for cleaning exhaust gas | Keisuke Murawaki, Yasuo Katou | 2016-07-05 |
| 7585478 | Exhaust-gas purifying catalyst | Kohei Tomiyasu, Kazunori Ito | 2009-09-08 |
| 7048895 | Exhaust gas purifying apparatus | Masayasu Sato, Teruhiko Ozawa | 2006-05-23 |