Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9289713 | Blended nonwoven fabric, filter medium, and filter unit | Shiho Uchiyama, Yuri Horie, Masahiro Arai, Masaaki Mori, Tetsuo Asano | 2016-03-22 |
| 5646077 | Binder fiber and nonwoven fabrics using the fiber | Katsuyoshi Niikura | 1997-07-08 |
| 5554442 | Binder fiber and nonwoven fabrics using the fiber | Katsuyoshi Niikura | 1996-09-10 |