Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10018767 | Illumination device with at least one main emission surface having a stepped surface configured to reflect light in multiple directions | Hideharu Kawachi, Osamu Tanahashi, Hiroyuki Sekii | 2018-07-10 |
| 9927101 | Illumination device | — | 2018-03-27 |
| 9909746 | Illumination device | Hideharu Kawachi | 2018-03-06 |
| 9874672 | Illumination device | Hideharu Kawachi | 2018-01-23 |