Issued Patents 2024
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12140821 | Progressive addition lens and design method therefor | Hiroshi Asami, Tadashi Kaga | 2024-11-12 |
| 12099260 | Progressive addition lens and design method therefor | Hiroshi Asami, Tadashi Kaga | 2024-09-24 |
| 11886047 | Spectacle lenses and methods for producing the same | Hiroshi Asami | 2024-01-30 |