Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8952627 | Illuminating device and illuminating method | Sayaka Tomiyama, Masahiko Kamata, Hitoshi Kawano, Naoko Iwai, Masatoshi Kumagai +2 more | 2015-02-10 |
| 8853954 | Power supply for illumination and luminaire | Hirokazu Otake, Katsuyuki Kobayashi | 2014-10-07 |
| 8823278 | DC power source unit and LED lamp system | Naoko Iwai, Masahiko Kamata, Hiroshi Terasaka, Toru Ishikita, Hitoshi Kawano +1 more | 2014-09-02 |
| 8823286 | Dimming device and lighting system | Hirokazu Otake, Katsuyuki Kobayashi, Masayuki Tanaka | 2014-09-02 |
| 8816608 | Power supply device, luminaire and power source system | Hiroshi Terasaka, Naoko Iwai | 2014-08-26 |