Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6271350 | Fish collagen and method of producing same | Johsuke Shimizu, Hideki Shimizu, Koji Nagashima, Minori Takamatsu | 2001-08-07 |
| 5698228 | Wound healing composition using squid chitin and fish skin collagen | Mitsuo Takai, Yuichi Shimizu, Josuke Shimizu, Kunio Yamazaki, Yoshiteru Kumabayashi +1 more | 1997-12-16 |