Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9392668 | Lighting device and lighting fixture | Takeshi Kamoi, Hiroshi Kido, Akinori Hiramatu, Junichi Hasegawa, Shigeru Ido +1 more | 2016-07-12 |
| 9185775 | Lighting device and lighting fixture | Junichi Hasegawa, Hiroshi Kido, Akinori Hiramatu, Takeshi Kamoi, Shigeru Ido +1 more | 2015-11-10 |
| 9113509 | Lighting device and lighting fixture | Junichi Hasegawa, Hiroshi Kido, Akinori Hiramatu, Takeshi Kamoi, Shigeru Ido +1 more | 2015-08-18 |
| 8502475 | Discharge lamp ballast with feedback current control during an electrode heating operation | Jun Kumagai, Satoru Nagata | 2013-08-06 |
| 8400074 | Electronic ballast with feedback current control for preheating of lamp filaments | Junichi Hasegawa | 2013-03-19 |
| 8344644 | Electronic ballast for HID lamps with active lamp power control | — | 2013-01-01 |
| 8299723 | Electronic ballast with lamp flicker suppression during start-to-steady state transition | Satoru Nagata, Jun Kumagai | 2012-10-30 |
| 8294385 | High-pressure discharge lamp ballast with multi-mode lamp starting circuit | Jun Kumagai, Satoru Nagata | 2012-10-23 |
| 8232746 | High pressure discharge lamp lighting device and lighting fixture using the same | Akira Yufuku, Hiroyasu Eriguchi, Takeshi Goriki, Takeshi Kamoi, Jun Kumagai +3 more | 2012-07-31 |
| 8228006 | High pressure discharge lamp lighting device and lighting fixture using the same | Naoki Komatsu, Hiroyasu Eriguchi, Takeshi Goriki, Takeshi Kamoi, Jun Kumagai +3 more | 2012-07-24 |
| 8164269 | Discharge lamp lighting device and lighting fixture | Kenichi Fukuda | 2012-04-24 |
| 8115405 | High pressure discharge lamp lighting device and luminaire using same | Daisuke Yamahara, Takeshi Kamoi, Satoru Nagata, Naoki Komatsu, Jun Kumagai | 2012-02-14 |
| 8115404 | High pressure discharge lamp lighting device and luminaire | Takeshi Goriki, Takeshi Kamoi, Daisuke Yamahara | 2012-02-14 |
| 8044601 | High voltage discharge lamp lighting device | Hiroyasu Eriguchi, Takeshi Goriki, Takeshi Kamoi, Naoki Komatu, Jun Kumagai +3 more | 2011-10-25 |
| 7990075 | High intensity discharge lamp lighting device and lighting fixture | Kenichi Fukuda | 2011-08-02 |