Issued Patents 2017
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9702283 | Honeycomb filter | Toshiaki Shibata | 2017-07-11 |
| 9650928 | Honeycomb filter | Toshiaki Shibata | 2017-05-16 |
| 9650929 | Honeycomb filter | Toshiaki Shibata | 2017-05-16 |
| 9550175 | Honeycomb filter | Toshiaki Shibata | 2017-01-24 |