Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7834539 | Extracting light from an electroluminescent layer | Keishin Handa, Shinji Aramaki | 2010-11-16 |
| 7462984 | Electroluminescent device with a low refractive layer and a light scattering layer | Keishin Handa, Shinji Aramaki | 2008-12-09 |