Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6447118 | Optical water-absorptive gel and ophthalmic material using the same | Kazuhiko Nakada | 2002-09-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6447118 | Optical water-absorptive gel and ophthalmic material using the same | Kazuhiko Nakada | 2002-09-10 |