Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10212772 | LED control device and control method of LED control device | Toshihiko Nagasaka, Katsuya Ikeda, Shinya Iijima, Ryuichi Ito | 2019-02-19 |
| 9247606 | LED illumination dimming circuit and LED illumination dimming method | Toshihiko Nagasaka, Katsuya Ikeda | 2016-01-26 |