Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9541774 | Control device for variable focus lenses, control method for variable focus lenses, and electronic glasses | Kouji Sone | 2017-01-10 |
| 8979262 | Semi-finished blank for varifocal lens, varifocal lens, and varifocal eyeglasses | Kouji Sone, 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 | Kouji Sone, Tsugumasa HITOMI | 2013-08-27 |
| 7595123 | Fuel cell system | Koji Sone | 2009-09-29 |
| 7514168 | Gas-liquid separator and fuel cell | Koji Sone | 2009-04-07 |