Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5354470 | Porous polypropylene membrane and method for production thereof | Yukio Seita, Ken Tatebe, Kousuke Kido | 1994-10-11 |
| 5139529 | Porous polypropylene membrane and methods for production thereof | Yukio Seita, Ken Tatebe, Kousuke Kido | 1992-08-18 |
| 5094749 | Knurled sheetlike permeable membrane, for production thereof, and body fluid filtering apparatus | Yukio Seita, Shinichiro Kuroda | 1992-03-10 |