Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10501342 | UV-C water purification device | Jianghong Yu, Paul Dijkstra, Michiel Van Der Meer, Arie Jan Hovestad | 2019-12-10 |
| 10113954 | Gas sensor by light absorption | Achim Hilgers | 2018-10-30 |
| 9987499 | UV radiation device | Jianghong Yu, Georg Greuel, Thomas Justel, Cornelis Reinder Ronda | 2018-06-05 |
| 7839068 | Fluorescent lamp capable of slow release of organic evaporating materials at low temperature | Michiel Van Der Meer, Olaf Mastenbroek | 2010-11-23 |