Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10821390 | Honeycomb filter | — | 2020-11-03 |
| 10669906 | Honeycomb filter | Yoshiaki Hatakeyama, Noritaka Masumitsu | 2020-06-02 |
| 10557390 | Honeycomb filter | Norihiro Wakida, Yoshiaki Hatakeyama, Noritaka Masumitsu | 2020-02-11 |
| 10525394 | Honeycomb filter | Kazuto Miura | 2020-01-07 |