Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10654404 | Vehicle lighting device including circuit portions having at least one light emitting diode, and control portion that controls connection state of circuit portions | Daisuke Kosugi | 2020-05-19 |
| 10327304 | Light emitting device for vehicle, lighting device for vehicle, and lighting tool for vehicle | Daisuke Kosugi | 2019-06-18 |
| 10279727 | Vehicle lighting device and vehicle lamp | Daisuke Kosugi | 2019-05-07 |
| 10278259 | Vehicular lighting device and vehicular lamp | Daisuke Kosugi | 2019-04-30 |
| 10212786 | Vehicle lighting device and vehicle lamp | Daisuke Kosugi | 2019-02-19 |
| 9961748 | Vehicle lighting device and vehicle lamp | Daisuke Kosugi | 2018-05-01 |
| 9821712 | Vehicle interior lighting device | — | 2017-11-21 |
| 6392367 | Electric discharge lamp lighting device | Tomohiro Mizoguchi | 2002-05-21 |