Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5623002 | Material for contact lens and contact lens prepared therefrom | Yuuichi Yokoyama | 1997-04-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5623002 | Material for contact lens and contact lens prepared therefrom | Yuuichi Yokoyama | 1997-04-22 |