Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12197048 | Eyeglass lens, eyeglasses, and eyeglass lens manufacturing method | Yoshikazu Munakata | 2025-01-14 |
| 10634937 | Semitransparent lens, sunglass, and semitransparent lens manufacturing method | — | 2020-04-28 |
| 10005249 | Method of manufacturing an eyeglass lens with gradation and eyeglass lens | — | 2018-06-26 |
| 8292430 | Tinted semi-finished lens having impact resistance and method for manufacturing the same | — | 2012-10-23 |
| 8066371 | Polarizing lens and method of its manufacture | — | 2011-11-29 |