Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11876193 | Battery system | Naoto Yamashita, Masahiko Ito, Masakazu KOUDA | 2024-01-16 |
| 9131570 | Lighting device and luminaire | Nobuo Ukita, Katsuyoshi Nakada | 2015-09-08 |
| 9055638 | Lighting device and lighting fixture | Katsuyoshi Nakada, Nobuo Ukita | 2015-06-09 |