Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5290752 | Method for preparation of a shaped chitin body containing a physiologically active substance | Koji Kifune, Kenzo Motosugi | 1994-03-01 |
| 4699135 | Shaped chitin body | Kenzo Motosugi, Koji Kifune, Yasuhiko Yamaguchi, Yasuo Nobe | 1987-10-13 |
| 4651725 | Wound dressing | Koji Kifune, Yasuhiko Yamaguchi | 1987-03-24 |
| 4575519 | Porous chitin shaped article and production thereof | Koji Kifune, Yasuhiko Yamaguchi, Kenzo Motosugi | 1986-03-11 |