Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9599768 | Surface light source device having frame with light absorbing and reflecting portions | Kenji Ozawa, Kensuke Nambu | 2017-03-21 |
| 8870438 | Surface light source device with frame including light source and light guide plate | Kenji Ozawa, Kensuke Nambu | 2014-10-28 |
| 8864358 | Surface light source device and frame used therein | Kensuke Nambu, Kenji Ozawa | 2014-10-21 |