Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10899269 | Lamp control device and lamp assembly | Toshikazu Tomono | 2021-01-26 |
| 10470273 | Light emission drive device and vehicle lamp | Kotaro Matsui | 2019-11-05 |
| 10375783 | Lighting circuit and vehicular lamp | Kotaro Matsui, Shinji Ohta | 2019-08-06 |
| 8482204 | Vehicle lamp | Takayoshi Kitagawa | 2013-07-09 |
| 8188667 | Lighting device and lighting system for a vehicle | — | 2012-05-29 |
| 8097976 | Lighting controller for a vehicle lamp | Takayoshi Kitagawa, Masayasu Ito | 2012-01-17 |
| 7999478 | Vehicle headlight device | Takayoshi Kitagawa | 2011-08-16 |
| 7964988 | Lighting controller of lighting device for vehicle | Takayoshi Kitagawa, Masayasu Ito | 2011-06-21 |
| 7964987 | Light emitting apparatus | Kouichi Isobe, Fuminori Shiotsu | 2011-06-21 |
| 7888876 | Lighting control for vehicle lighting device | Takayoshi Kitagawa, Toru Nakayama | 2011-02-15 |
| 6441713 | Discharge lamp apparatus | Hiroaki Okuchi, Tomoyuki Funayama | 2002-08-27 |
| 6392364 | High voltage discharge lamp apparatus for vehicles | Noboru Yamamoto, Yasutoshi Horii, Hiroaki Okuchi, Hiromi Hiramatsu, Kenji Yoneima +5 more | 2002-05-21 |