Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10947877 | Exhaust gas purification filter | Mikio Ishihara, Syusaku Yamamura, Akira Miyashita | 2021-03-16 |
| 10905992 | Honeycomb structural body, method for manufacturing the same, and exhaust gas purification filter | Hirokatsu Imagawa | 2021-02-02 |