Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| H1157 | Filter | Manabu Yanou, Osami Kato | 1993-04-06 |
| 4668401 | Hollow-fiber filter module and filtration method using the same | Munehiro Okumura, Masujiro Arita, Shingo Mori, Tetsuya Ohmura, Osamu Yamamoto +1 more | 1987-05-26 |