Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11293317 | Honeycomb filter | Fumihiko Yoshioka, Nozomu Hirai | 2022-04-05 |
| 11274588 | Honeycomb filter | Fumihiko Yoshioka, Yuji Sasaki, Kimiko Kishine, Sachiko ISHIDA | 2022-03-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11293317 | Honeycomb filter | Fumihiko Yoshioka, Nozomu Hirai | 2022-04-05 |
| 11274588 | Honeycomb filter | Fumihiko Yoshioka, Yuji Sasaki, Kimiko Kishine, Sachiko ISHIDA | 2022-03-15 |