Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12089306 | Direct current, DC, voltage source arranged for providing a DC voltage based on an input voltage as well as a corresponding method | Paul R. Veldman | 2024-09-10 |
| 11522462 | Switch mode power converter | — | 2022-12-06 |
| 11310882 | Circuit for generating a DC voltage supply and a driver circuit using the DC voltage supply circuit | Paul R. Veldman | 2022-04-19 |
| 10314135 | LED retrofit lamp having active over-current protection circuit | Borong Su, William Peter Mechtildis Marie Jans, Haimin Tao | 2019-06-04 |
| 10110118 | Charge pump effect compensation for high frequency isolation transformer in lighting device power supplies | Sanbao Zheng, Zhihua Song | 2018-10-23 |
| 9743466 | LED replacement lamp for safe operation under fault condition | Haimin Tao, Borong Su | 2017-08-22 |
| 9622317 | LED retrofit lamp | Bernd Ackermann, Haimin Tao, Georg Sauerlaender, Borong Su | 2017-04-11 |
| 9480123 | LED retrofit lamp | Haimin Tao, Borong Su | 2016-10-25 |
| 7365999 | Circuit arrangement | Henri A. I. Melai, Johan Anton Hendrikx, Paul R. Veldman | 2008-04-29 |
| 7259523 | Circuit arrangement | Paul R. Veldman, Jianjun Yu | 2007-08-21 |