Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9374860 | Lighting device | Kazuyoshi Kadotani | 2016-06-21 |
| 8810155 | Illumination light communication device, and illumination apparatus and system including same | Masao Kamada, Eiji Shiohama, Hiroyuki Nishino, Yosiaki Hasitani, Yosuke Kondo | 2014-08-19 |
| 8749168 | Illumination light communication device, and illumination apparatus and system including same | Masao Kamada, Eiji Shiohama, Hiroyuki Nishino, Yosiaki Hasitani, Yosuke Kondo | 2014-06-10 |
| 8513898 | Light emitting device that restores abnormal light emitting element | Masanao Okawa, Hirofumi Takaki, Shin Ukegawa, Hirofumi Konishi | 2013-08-20 |
| 8502471 | Planar light-emitting module lighting circuit and illuminating device | Masanao Ookawa, Shin Ukegawa, Hirofumi Konishi, Hirofumi Takaki | 2013-08-06 |
| 8493297 | OLED driver, lighting apparatus equipped with the driver and an adjustment method of the apparatus | — | 2013-07-23 |
| 8436550 | LED lamp driving circuit with dimming capability | — | 2013-05-07 |
| 8432105 | Light control apparatus for lighting an organic electroluminescence device and lighting appliance using the same | Hirofumi Takaki, Shin Ukegawa, Hirofumi Konishi, Masanao Okawa | 2013-04-30 |
| 8344651 | Light control apparatus and lighting appliance using the same | Hirofumi Takaki, Shin Ukegawa, Hirofumi Konishi, Masanao Okawa | 2013-01-01 |
| 8330378 | Illumination device and method for controlling a color temperature of irradiated light | Kazuyoshi Kadotani, Kenichiro Tanaka, Ichirou Tanimura, Takuya Nobuta | 2012-12-11 |
| 8138679 | Organic electroluminescent light emitting device for restoring normal operation after low-voltage errors | Hirofumi Konishi, Shin Ukegawa, Masanao Okawa, Hirofumi Takaki | 2012-03-20 |
| 7733032 | OLED driver and lighting apparatus equipped with the same | — | 2010-06-08 |
| 7425802 | Discharge lamp lighting apparatus, luminaire and illumination system | Jun Kumagai, Satoru Nagata, Naoki Komatsu | 2008-09-16 |
| 7129650 | Lighting apparatus for high intensity discharge lamp | Naoki Komatsu, Masanori Mishima, Satoru Nagata | 2006-10-31 |
| 7015655 | Electronic ballast for a high intensity discharge lamp | Takeshi Kamoi, Masanori Mishima, Takahiro Abe | 2006-03-21 |
| 6914395 | Electronic ballast for a high-pressure discharge lamp | Tokushi Yamauchi, Tsutomu Shiomi, Yutaka Iwahori, Toshiaki Nakamura, Takeshi Kamoi | 2005-07-05 |
| 6075715 | Power source device | Masanori Mishima, Naoki Onishi, Yoshinobu Murakami | 2000-06-13 |
| 6057652 | Power supply for supplying AC output power | Wei Chen, Fred C. Lee, Koji Nishiura, Tokushi Yamauchi, Yoshinobu Murakami | 2000-05-02 |
| 5995398 | Power supply device | Tokushi Yamauchi, Yoshinobu Murakami, Minoru Yamamoto | 1999-11-30 |
| 5764496 | Inverter device including an auxiliary power supply with a smoothing capacitor | Katsumi Sato, Masanori Mishima, Kenichi Yuki | 1998-06-09 |
| 5517403 | Inverter device | — | 1996-05-14 |
| 5459651 | Inverter device for stable, high power-factor input current supply | — | 1995-10-17 |
| 5410466 | High power-factor inverter device having reduced output ripple | — | 1995-04-25 |
| 5274540 | Inverter device for stable, high power-factor input current supply | — | 1993-12-28 |
| 5251119 | Inverter with shared chopper function for high input power factor with restrained higher harmonics | — | 1993-10-05 |