Issued Patents 2019
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10459139 | Lighting apparatus | Hideharu Kawachi, Sachiko Azuma | 2019-10-29 |
| 10429562 | Illumination apparatus | Hideharu Kawachi | 2019-10-01 |
| 10393936 | Light source device and manufacturing method of light source device | Hiroshi Kitano, Sachiko Azuma | 2019-08-27 |
| 10234122 | Lighting apparatus | Hideharu Kawachi, Yoshiyuki Nakano | 2019-03-19 |