Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10443167 | Method for producing a wet-laid nonwoven fabric | Toshihiko Soyama, Junji Nemoto | 2019-10-15 |
| 8662316 | Filter medium for liquid filtration and process for producing the same | Eiko Meguro, Toshihiko Soyama | 2014-03-04 |
| 7520912 | Air purifying filter media and process for producing the same | Toshihiko Soyama, Eiko Meguro, Kazuro Isomae, Mikiko Gokano | 2009-04-21 |