Issued Patents 2019
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10465898 | Vehicle lighting device and vehicle lamp | Daisuke Kosugi | 2019-11-05 |
| 10371340 | Vehicle lighting device and vehicle lamp | Masayuki Ishiyama, Ryuji Tsuchiya, Kiyokazu Hino, Takashi Kaneko, Daisuke Kosugi +1 more | 2019-08-06 |
| 10309609 | Lighting device for vehicle and lighting tool for vehicle | Ryuji Tsuchiya, Daisuke Kosugi | 2019-06-04 |
| 10203080 | Lighting device for vehicles and lighting tool for vehicles | Masayuki Ishiyama, Ryuji Tsuchiya, Kiyokazu Hino, Daisuke Kosugi, Hiromitsu Shiraishi +2 more | 2019-02-12 |
| 10197237 | Lighting device and lighting device for vehicle | Daisuke Kosugi, Ryuji Tsuchiya | 2019-02-05 |