Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5679657 | Low molecular weight acetylhyaluronate, skin-softening composition, method of manufacturing the same, and method of purifying the same | Takashi Oka, Michihiro Yamaguchi | 1997-10-21 |