Issued Patents 2011
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8034743 | Method for production of an exhaust gas purification catalyst support and exhaust gas purification catalyst support | Akio Koyama | 2011-10-11 |
| 7966810 | Control device and exhaust purification method of internal combustion engine | Hiroshi Ito, Kotaro Hayashi, Tetsuya Yamashita | 2011-06-28 |
| 7968490 | Method for producing porous substances | Akio Koyama | 2011-06-28 |
| 7915195 | Exhaust gas purifying catalyst and production process thereof | Akio Koyama | 2011-03-29 |
| 7910084 | Compound oxide manufacturing method | Akio Koyama | 2011-03-22 |
| 7867943 | Exhaust gas purifying catalyst, and method for producing the same | — | 2011-01-11 |