Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9394816 | Particulate filter | Shigeki Nakayama, Daichi Imai, Hiroshi Otsuki | 2016-07-19 |
| 9255505 | Exhaust purification device for internal combustion engine | Shigeki Nakayama, Daichi Imai, Hiroshi Otsuki | 2016-02-09 |