Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10052574 | Filtration device and filter element | Yuichi Takahashi, Masanori Nagafuji | 2018-08-21 |
| 10046253 | Filtration device | Yuichi Takahashi, Hiroyuki Takahashi, Masanori Nagafuji | 2018-08-14 |