Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10203520 | Progressive power lens group | Tomohiro Odaira | 2019-02-12 |
| 10185159 | Progressive power lens and method of designing and manufacturing the same | Tomohiro Odaira | 2019-01-22 |