Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5965630 | Soft contact lens with high moisture content and method for producing the same | Suguru Imafuku, Hidetoshi Iwamoto | 1999-10-12 |
| 5919880 | Reactive dyes and lenses utilizing the same | Suguru Imafuku, Hidetoshi Iwamoto | 1999-07-06 |