Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10485069 | Illuminating apparatus | Keisuke Seki, Shigeru Ido | 2019-11-19 |
| 10439719 | Lighting device, luminaire, and signboard | Keisuke Seki, Shigeru Ido | 2019-10-08 |
| 10278258 | Lighting device, luminaire, and signboard | Shigeru Ido, Keisuke Seki | 2019-04-30 |