Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11065571 | Honeycomb filter | Osamu Yasui, Kazuto Miura, Yukio Miyairi, Takashi Aoki | 2021-07-20 |
| 11058983 | Honeycomb filter | Osamu Yasui, Takashi Aoki, Kazuto Miura, Yukio Miyairi | 2021-07-13 |