Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12092547 | Method for evaluating spectacle lens, and spectacle lens | Hua Qi | 2024-09-17 |
| 11934042 | Curved face shape evaluation method, eyeglass lens manufacturing method, and eyeglass lens | — | 2024-03-19 |
| 11326875 | Method, device and storage medium for evaluating production precision of spectacle lens | Hua Qi | 2022-05-10 |
| 7172294 | Multi-layer film cut filter and production method therefor, UV cut filter, dustproof glass, display panel and projection type display unit | Kunihiko Yano | 2007-02-06 |
| 6872120 | Method of producing spectacle lens | Makoto Miyazawa, Yoshinori Tabata | 2005-03-29 |