Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10025117 | Functional dyed spectacle lens | Yuka TAKEDOMI | 2018-07-17 |
| 6027816 | Colored plastic lens and method of manufacture therefor | Ichiro Ono | 2000-02-22 |
| 5914193 | Photochromic plastic lens and its method of manufacture | Ichiro Ono, Kouji Yamazaki | 1999-06-22 |
| 5830578 | Colored plastic lens and method of manufacturing therefor | Ichiro Ono | 1998-11-03 |