Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9066407 | Power source unit for LED lamps, and LED lamp system | Hiroshi Terasaka, Hiroshi Kubota, Masahiko Kamata, Takeshi Saito, Hiroki Nakagawa +2 more | 2015-06-23 |
| 8970127 | Lighting circuit and illumination device | Mitsuhiro Matsuda, Hajime Osaki, Hiroshi Kubota, Takuro Hiramatsu, Katsusuke Uchino +1 more | 2015-03-03 |
| 8952627 | Illuminating device and illuminating method | Sayaka Tomiyama, Masahiko Kamata, Toshihiko Sasai, Hitoshi Kawano, Masatoshi Kumagai +2 more | 2015-02-10 |
| 8823278 | DC power source unit and LED lamp system | Toshihiko Sasai, Masahiko Kamata, Hiroshi Terasaka, Toru Ishikita, Hitoshi Kawano +1 more | 2014-09-02 |
| 8816608 | Power supply device, luminaire and power source system | Hiroshi Terasaka, Toshihiko Sasai | 2014-08-26 |
| 8686663 | Lighting system and control method thereof | Toru Ishikita, Makoto Kono, Hiroya Kan, Takao Kowada, Kiyoteru Kosa +2 more | 2014-04-01 |
| 8643307 | Lighting device and luminaire | Masahiko Kamata, Hiroshi Terasaka, Hitoshi Kawano, Yosuke Saito | 2014-02-04 |
| 8638050 | DC power supply unit and LED lighting apparatus | Go Kato, Hiroshi Kubota, Masahiko Kamata, Hiroshi Terasaka, Tomokazu Usami | 2014-01-28 |
| 8593067 | Led lighting device and illumination apparatus | Hajime Osaki, Kenichi Asami, Hitoshi Kawano, Masatoshi Kumagai | 2013-11-26 |
| 8305010 | Light-emitting diode lighting device with step-down chopper | Masahiko Kamata, Hajime Osaki, Hirokazu Otake, Shinya Hakuta, Takuro Hiramatsu +1 more | 2012-11-06 |
| 7388337 | Fluorescent lamp lighting apparatus and lighting control system | Koji Takahasi, Toshiyuki Hiraoka, Noriyuki Kitamura, Kazuyuki Uratani, Shinji Nogi +2 more | 2008-06-17 |