Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8641937 | Method of manufacturing lens casting mold and method of manufacturing eyeglass lens | Noriaki Taguchi | 2014-02-04 |
| 8162719 | Method and device for processing lens | Keigo Hasegawa, Yoshihiro Kikuchi | 2012-04-24 |
| 7861626 | Lens surface cutting apparatus and lens surface cutting method for spectacle lens, and spectacle lens | Hideo Toriumi | 2011-01-04 |