Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10525392 | Filtration material, filter element using same, and manufacturing method of filtration material | Naoki Matsuda, Takashi Nishitani | 2020-01-07 |
| 8034146 | Filter element, method of manufacture and use | — | 2011-10-11 |