Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12323042 | Modular power supply architecture optimized for flat efficiency across loadings | Sung Kee Baek, Joel Richard Goergen, Doug Paul Arduini, Ruqi Li | 2025-06-03 |
| 11909255 | Battery charging cut-off circuit | Sung Kee Baek, Wingo Cheong, Steven Anthony Granzella, Joel Richard Goergen, Charles Calvin Byers | 2024-02-20 |
| 11862966 | Surge protector | Sung Kee Baek | 2024-01-02 |
| 11777394 | Modular power supply architecture optimized for flat efficiency across loadings | Sung Kee Baek, Joel Richard Goergen, Doug Paul Arduini, Ruqi Li | 2023-10-03 |
| 11682904 | Three-phase AC load unbalance detection and balancing method and circuit | Sung Kee Baek, Robert Gregory Twiss | 2023-06-20 |
| 11522442 | Power factor of AC-DC off-line power supplies under light load condition | Ruqi Li, Sung Kee Baek, Douglas Paul Arduini | 2022-12-06 |
| 11342762 | Battery charging cut-off circuit | Sung Kee Baek, Wingo Cheong, Steven Anthony Granzella, Joel Richard Goergen, Charles Calvin Byers | 2022-05-24 |
| 11249144 | Active AC power loss detection | Sung Kee Baek, Robert Gregory Twiss | 2022-02-15 |
| 10971923 | Hot swap inrush current limiter circuit | Sung Kee Baek | 2021-04-06 |
| 10868431 | Battery charging cut-off circuit | Sung Kee Baek, Wingo Cheong, Steven Anthony Granzella, Joel Richard Goergen, Charles Calvin Byers | 2020-12-15 |
| 10718822 | Active AC power loss detection | Sung Kee Baek, Robert Gregory Twiss | 2020-07-21 |
| 10473729 | Active AC power loss detection | Sung Kee Baek, Robert Gregory Twiss | 2019-11-12 |
| 9793873 | Circuits and methods for providing an impedance adjustment | Don Alfano | 2017-10-17 |
| 9143112 | Circuits and methods for providing an impedance adjustment | Don Alfano | 2015-09-22 |
| 9098276 | Redundant power supply systems and methods | Daniel Humphrey, Reynaldo P. Domingo, Mohamed Amin Bernat | 2015-08-04 |
| 8067857 | Redundant power supply systems and methods | Daniel Humphrey, Reynaldo P. Domingo, Mohamed Amin Bemat | 2011-11-29 |
| 6831976 | Telephone line-powered power supply for ancillary equipment and method of operation thereof | Timothy N. Comerford, Dale H. Nelson | 2004-12-14 |
| 6240172 | Remote reconfiguration method for feature-function telephone sets | — | 2001-05-29 |