Issued Patents 2022
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11400441 | Honeycomb filter | — | 2022-08-02 |
| 11293317 | Honeycomb filter | Nozomu Hirai, Kyohei Kato | 2022-04-05 |
| 11280236 | Honeycomb filter | Yoshiaki Hatakeyama, Noritaka Masumitsu | 2022-03-22 |
| 11280237 | Honeycomb filter | Yoshiaki Hatakeyama, Noritaka Masumitsu | 2022-03-22 |
| 11274588 | Honeycomb filter | Yuji Sasaki, Kimiko Kishine, Sachiko ISHIDA, Kyohei Kato | 2022-03-15 |
| 11260384 | Honeycomb filter | — | 2022-03-01 |