Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9618188 | Light emitting device and vehicular lighting device | Toshihiro Hatanaka, Ryuji Tsuchiya, Daisuke Kosugi | 2017-04-11 |
| 6392367 | Electric discharge lamp lighting device | Atsushi Heike | 2002-05-21 |