Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5096593 | Separation material derived from glucomannan for blood coagulation factor, preparation and use thereof | Masaaki Wakita, Takashi Tomoda, Masato Yamaguchi, Isao Joko, Hiroshi Morita +1 more | 1992-03-17 |
| 4948814 | Ion exchanger based on cross-linked glucomannan | Takashi Tomoda, Hiroshi Morita, Masato Yamaguchi, Isao Joko | 1990-08-14 |
| 4948816 | Spherical grains of polyamino acid and production method thereof | Chuichi Hirayama, Hirotaka Ihara | 1990-08-14 |
| 4882426 | Beads of cross-linked glucomannan and production thereof | — | 1989-11-21 |
| 4840975 | Spherical grains of polyamino acid and production method thereof | Chuichi Hirayama, Hirotaka Ihara | 1989-06-20 |
| 4312980 | Process for preparing porous cellulose spherical particles | Hiroaki Ishibashi | 1982-01-26 |