Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12390756 | Honeycomb filter | Fumihiko Yoshioka | 2025-08-19 |
| 11759740 | Honeycomb filter | Fumihiko Yoshioka, Yuji Sasaki, Kimiko Kishine, Kyohei Kato | 2023-09-19 |
| 11759741 | Honeycomb filter | Fumihiko Yoshioka, Yuji Sasaki, Kimiko Kishine, Kyohei Kato | 2023-09-19 |
| 11571688 | Honeycomb filter | Fumihiko Yoshioka | 2023-02-07 |
| 11274588 | Honeycomb filter | Fumihiko Yoshioka, Yuji Sasaki, Kimiko Kishine, Kyohei Kato | 2022-03-15 |