Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5196527 | Porous ion-exchanged fine cellulose particles, method for production thereof, and affinity carrier | Kouei Igarashi, Masami Hara, Kazuhiro Aso, Hideo Yoshidome, Hiroshi Nakayama +2 more | 1993-03-23 |
| 5108596 | Borous ion-exchanged fine cellulose particles, method for production thereof, and affinity carrier | Kouei Igarashi, Masami Hara, Kazuhiro Aso, Hideo Yoshidome, Hiroshi Nakayama +2 more | 1992-04-28 |