Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8979262 | Semi-finished blank for varifocal lens, varifocal lens, and varifocal eyeglasses | Kouji Sone, Satoko Machida, Akihiro Muramatsu | 2015-03-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8979262 | Semi-finished blank for varifocal lens, varifocal lens, and varifocal eyeglasses | Kouji Sone, Satoko Machida, Akihiro Muramatsu | 2015-03-17 |