Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9980344 | Luminaire | Yuki KIMURA, Toshikazu Kawashima | 2018-05-22 |
| 9795012 | Lighting system, controller, operation terminal, and address determining method | Ryuhei Hayashi | 2017-10-17 |
| 9078304 | Lighting system | Tetsuya TANIGAWA, Toshikazu Kawashima | 2015-07-07 |
| 8446110 | Illumination system | Tetuya Tanigawa, Tosikazu Kawasima | 2013-05-21 |
| 8167453 | Illumination device including interchangeable sensor and decoration members | Toshikazu Kawashima, Atsuo Nanahara | 2012-05-01 |