Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7875572 | Combustion catalyst for treating diesel exhaust gas and method for treating diesel exhaust gas | Takeshi Yamashita, Hitoshi Kubo, Kazuto Itaya, Masahiro Sasaki | 2011-01-25 |
| 7781367 | Exhaust gas cleaning catalyst and process for producing the same | Hitoshi Kubo, Ataru Daido | 2010-08-24 |