Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9756689 | Light output control device, illumination system, and facility apparatus | Shigeru Ido, Katsuhiko Ishikawa | 2017-09-05 |
| 9681508 | Light modulation control unit, illumination system, and facility apparatus | Akinori Hiramatu, Takeshi Kamoi, Hiroshi Kido | 2017-06-13 |