Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6638538 | Hyaluronic acid gel composition, process for producing the same, and medical material containing the same | Masamichi Hashimoto, Toshihiko Umeda, Kazuhiko Arai, Osamu Yamamoto, Yasukazu Himeda | 2003-10-28 |