Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9541774 | Control device for variable focus lenses, control method for variable focus lenses, and electronic glasses | Satoko Machida | 2017-01-10 |
| 8979262 | Semi-finished blank for varifocal lens, varifocal lens, and varifocal eyeglasses | Satoko Machida, Shunsuke Nishihara, Akihiro Muramatsu | 2015-03-17 |
| 8517534 | Semi-finished blank for varifocal lens, varifocal lens made from this blank, and varifocal eyeglasses featuring this lens | Satoko Machida, Tsugumasa HITOMI | 2013-08-27 |