Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9743470 | Lighting control circuit, illuminating lamp using the lighting control circuit, and lighting device using the illuminating lamp | Hisashi Tomiyama, Kazuaki Iseda, Shigemi Hagiwara | 2017-08-22 |
| 9560700 | Illumination lamp and illumination device configured for rapid-start method | Hiroshi Yamazaki | 2017-01-31 |
| 9357599 | Lighting control circuit, illuminating lamp using the lighting control circuit, and lighting device using the illuminating lamp | Hisashi Tomiyama, Kazuaki Iseda, Shigemi Hagiwara | 2016-05-31 |
| 9271350 | Lighting control circuit, lamp, and lighting control method using the lighting control circuit | Hidefumi Nakashima, Shigemi Hagiwara | 2016-02-23 |