Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12283447 | Direct current circuit breaker and related method | King Man Siu, Dong Li | 2025-04-22 |
| 12021381 | Device for electrically interconnecting DC microgrid with higher voltage DC bus and related methods | Dong Li, King Man Siu | 2024-06-25 |
| 11277078 | Full-bridge inverter with unipolar switching scheme and its method of operation | Enea Bianda, Tin Ho Li, Juha Huusari | 2022-03-15 |
| 10728981 | Transformerless single-phase unified power quality conditioner (UPQC) for large scale LED lighting networks | Radwa Abdalaal, Henry Chung | 2020-07-28 |
| 10381953 | Bi-directional electric power conversion circuit with bridgeless buck-boost circuit and reconfigurable capacitor-inductor filter circuit | King Man Siu | 2019-08-13 |
| 9344005 | Method and apparatus for producing three-phase current | Gerardo Escobar, Francisco Canales | 2016-05-17 |
| 9331563 | Active snubber topology | Tin Ho Li, Gerardo Escobar, Jonathan Bradshaw | 2016-05-03 |
| 9331486 | Method and apparatus for detecting islanding conditions of a distributed grid | Gerardo Escobar, Sami Pettersson, Leonardo-Augusto Serpa, Antonio Coccia, Alexandre Oudalov +1 more | 2016-05-03 |
| 9093917 | Bridgeless power factor correction circuit | Tin Ho Li | 2015-07-28 |
| 9030854 | Method and apparatus for zero-sequence damping and voltage balancing | Gerardo Escobar, Sami Pettersson | 2015-05-12 |
| 8929108 | Method and apparatus for controlling a grid-connected converter | Gerardo Escobar, Sami Pettersson | 2015-01-06 |
| 8488351 | Non-isolated DC-DC converter for solar power plant | Leonardo-Augusto Serpa, Francisco Canales, Antonio Coccia | 2013-07-16 |
| 7411359 | Apparatus and method for providing dimming control of lamps and electrical lighting systems | Shu Hung Henry Chung, Shu Yuen Ron Hui | 2008-08-12 |