Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5741830 | Water-absorptive soft contact lens | Naotaka Kamiya, Noriko Iwata, Yasushi Yamamoto, Yasuo Tarumi | 1998-04-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5741830 | Water-absorptive soft contact lens | Naotaka Kamiya, Noriko Iwata, Yasushi Yamamoto, Yasuo Tarumi | 1998-04-21 |