Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7875459 | Method and apparatus for managing denitration catalyst | Hiroshi Shimada | 2011-01-25 |
| 7871823 | Method and apparatus for managing denitration catalyst | Hiroshi Shimada | 2011-01-18 |
| 7441332 | Method for restoring performance capabilities of exhaust gas treatment apparatus | Hiroshi Shimada | 2008-10-28 |