| 10705464 |
Image forming apparatus, image forming method, and storage medium |
— |
2020-07-07 |
| 10466614 |
Developing device, image forming apparatus, and developing condition correcting method |
Tatsuya Furuta, Hiroshi Morimoto, Keiki KATSUMATA, Daiki WATANABE |
2019-11-05 |
| 9089034 |
Lighting device and luminaire including the same |
Masafumi Yamamoto, Masato Himeda, Hisaya Takikita, Koki Matsui |
2015-07-21 |
| 8604707 |
Power supply |
Kazuhiro Kumada, Yosikazu Kado, Kazuhiro Nisimoto |
2013-12-10 |
| 8502475 |
Discharge lamp ballast with feedback current control during an electrode heating operation |
Nobutoshi Matsuzaki, Jun Kumagai |
2013-08-06 |
| 8395327 |
High-pressure discharge lamp lighting device and lighting fixture using the same |
Jun Kumagai, Keisuke Sato, Naoki Komatsu |
2013-03-12 |
| 8299723 |
Electronic ballast with lamp flicker suppression during start-to-steady state transition |
Jun Kumagai, Nobutoshi Matsuzaki |
2012-10-30 |
| 8294385 |
High-pressure discharge lamp ballast with multi-mode lamp starting circuit |
Jun Kumagai, Nobutoshi Matsuzaki |
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 |
| 8222830 |
Discharge lamp lighting device, lighting fixture, and lighting system |
Jun Kumagai, Naoki Komatsu |
2012-07-17 |
| 8115405 |
High pressure discharge lamp lighting device and luminaire using same |
Daisuke Yamahara, Nobutoshi Matsuzaki, Takeshi Kamoi, Naoki Komatsu, Jun Kumagai |
2012-02-14 |
| 8044601 |
High voltage discharge lamp lighting device |
Nobutoshi Matsuzaki, Hiroyasu Eriguchi, Takeshi Goriki, Takeshi Kamoi, Naoki Komatu +3 more |
2011-10-25 |
| 7524804 |
Bleach composition and bleaching detergent composition |
Hideyuki Kaneda, Yoshitaka Miyamae |
2009-04-28 |
| 7425802 |
Discharge lamp lighting apparatus, luminaire and illumination system |
Jun Kumagai, Minoru Maehara, Naoki Komatsu |
2008-09-16 |
| 7129650 |
Lighting apparatus for high intensity discharge lamp |
Naoki Komatsu, Masanori Mishima, Minoru Maehara |
2006-10-31 |