Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12212248 | Modular MMC phase arm and control thereof | Jimmy Öhman, Ying-Jiang HAFNER, Daniel Hallmans | 2025-01-28 |
| 10064260 | Ground system for high voltage semiconductor valve | Bjorn Sandin, Erik Doré, Johannes Gran Hirvioja | 2018-08-28 |
| 9831865 | RC-IGBT switching pulse control | Annika Lokrantz, Kristoffer Nilsson, Ying Jiang-Häfner, Lars Döfnäs, Wim Van-Der-Merwe | 2017-11-28 |
| 9515506 | Capacitor short-circuiting in a high voltage converter | — | 2016-12-06 |
| 9473014 | Mechanical bypass switch device, converter arm and power converter | Jürgen Häfner, Wim Van-Der-Merwe | 2016-10-18 |
| D611562 | Pentagon handle for a fishing rod | — | 2010-03-09 |
| D611563 | Hexagon handle for fishing rod | — | 2010-03-09 |