Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5171775 | Expanding-contracting hydrogel composite and process for preparation thereof | Daniel Graiver, Yoshito Ikada | 1992-12-15 |
SG
Sho-kyu Gen
Overall (All Time): #3,865,628 of 4,157,543Top 95%
1
Patents All Time