Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11476395 | Light source, LED device, and light emitting display structure | Naoya Mashiko, Masutsugu Tasaki, Eiji Ishiguro, Keiichi Watanuki, Keiichi Muramatsu +1 more | 2022-10-18 |
| 11094857 | Method for manufacturing lighting device | Eiji Ishiguro, Masutsugu Tasaki, Naoya Mashiko | 2021-08-17 |
| 9500326 | Reduced-blue-light LED lighting device, method of its manufacture, and LED lighting method | — | 2016-11-22 |