Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5426133 | Water-absorptive contact lens | Yasuhito Hishida, Keiji Sugimoto, Tsuyoshi Watanabe, Noriko Iwata | 1995-06-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5426133 | Water-absorptive contact lens | Yasuhito Hishida, Keiji Sugimoto, Tsuyoshi Watanabe, Noriko Iwata | 1995-06-20 |