Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9039813 | Exhaust gas treatment apparatus | Noboru Takei, Naohiro Kaji, Akira Kumagai | 2015-05-26 |
| 8961666 | Exhaust gas treatment apparatus | Noboru Takei, Naohiro Kaji, Akira Kumagai | 2015-02-24 |