Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4699135 | Shaped chitin body | Kenzo Motosugi, Koji Kifune, Yasuo Nobe, Hiroyuki Tanae | 1987-10-13 |
| 4651725 | Wound dressing | Koji Kifune, Hiroyuki Tanae | 1987-03-24 |
| 4575519 | Porous chitin shaped article and production thereof | Koji Kifune, Hiroyuki Tanae, Kenzo Motosugi | 1986-03-11 |