Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11759740 | Honeycomb filter | Fumihiko Yoshioka, Yuji Sasaki, Sachiko ISHIDA, Kyohei Kato | 2023-09-19 |
| 11759741 | Honeycomb filter | Fumihiko Yoshioka, Yuji Sasaki, Sachiko ISHIDA, Kyohei Kato | 2023-09-19 |
| 11274588 | Honeycomb filter | Fumihiko Yoshioka, Yuji Sasaki, Sachiko ISHIDA, Kyohei Kato | 2022-03-15 |
| 10994236 | Honeycomb filter | Fumihiko Yoshioka | 2021-05-04 |