Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10212772 | LED control device and control method of LED control device | Toshihiko Nagasaka, Seiichi Takasaka, Shinya Iijima, Ryuichi Ito | 2019-02-19 |
| 9247606 | LED illumination dimming circuit and LED illumination dimming method | Toshihiko Nagasaka, Seiichi Takasaka | 2016-01-26 |
| 5738303 | Mechanism for arming, disarming and activating airplane emergency slide evacuation systems | Tomio Hamatani, David J. Brockmeyer, Hisao Kondo | 1998-04-14 |