Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7954313 | Exhaust cleaner for internal combustion engine | Hirohito Hirata, Masaya Ibe | 2011-06-07 |
| 7946111 | Apparatus and method for PM purification | Hirohito Hirata, Masaya Ibe | 2011-05-24 |