Issued Patents All Time
Showing 25 most recent of 65 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12346184 | Reduced common mode voltage pulse width modulation switching scheme with capacitor voltage balancing for a multilevel power converter | Kum Kang Huh, Hridya Ittamveettil, Rajib Datta, Di Pan, Yukai Wang | 2025-07-01 |
| 10256732 | Power conversion system and method of operating the same | Rui Zhou, Ravisekhar Nadimpalli Raju, Ashraf Said Atalla | 2019-04-09 |
| 10243370 | System and method for integrating energy storage into modular power converter | Rui Zhou, Zhi Zhou, Di Zhang | 2019-03-26 |
| 10211747 | System and method for operating a DC to DC power converter | Mohammed Agamy, Dong Dong, Yan Pan | 2019-02-19 |
| 10075056 | Modular embedded multi-level converter | Di Zhang, Andrew Allen Rockhill | 2018-09-11 |
| 9979322 | Modulator for a hybrid converter system | Di Zhang, Rui Zhou, Jiangbiao He | 2018-05-22 |
| 9793827 | Power conversion system and method | Cyrus David Harbourt, Richard S. Zhang, Allen Michael Ritter, Rajib Datta | 2017-10-17 |
| 9722511 | Systems and methods for controlling an electrical power supply | Juan Antonio Sabate, Di Zhang | 2017-08-01 |
| 9705422 | System and method for soft switching power inversion | Xiaohu Liu, Maja Harfman Todorovic, Mohammed Agamy | 2017-07-11 |
| 9667157 | System and method for operating a power converter | Dong Dong, Mohammed Agamy, Ravisekhar Nadimpalli Raju, Yan Pan | 2017-05-30 |
| 9595888 | System and method to avoid reverse recovery in a power converter | Fengfeng Tao, Maja Harfman Todorovic, Rui Zhou, Donald Marabell, Robert Louis Steigerwald | 2017-03-14 |
| 9559611 | Multilevel power converter system and method | Di Zhang, Rajib Datta, Ravisekhar Nadimpalli Raju | 2017-01-31 |
| 9537410 | System and method for series connecting electronic power devices | Rui Zhou, Ravisekhar Nadimpalli Raju, Rixin Lai, Di Zhang | 2017-01-03 |
| 9515565 | Hybrid high voltage direct current converter systems | Ranjan Kumar Gupta, Ravisekhar Nadimpalli Raju | 2016-12-06 |
| 9515568 | Power converter with a first string having diodes and a second string having switching units | Di Zhang, Rixin Lai | 2016-12-06 |
| 9515574 | Modular embedded multi-level converter with midpoint balancing | Di Zhang, Andrew Allen Rockhill | 2016-12-06 |
| 9496702 | Method and system for control and protection of direct current subsea power systems | Dong Dong, Rixin Lai, Song Chi, Maja Harfman Todorovic, Di Zhang | 2016-11-15 |
| 9479075 | Multilevel converter system | Di Zhang, Andrew Allen Rockhill | 2016-10-25 |
| 9438042 | Direct current power delivery system and method | Di Zhang, Jian Dai, Rixin Lai | 2016-09-06 |
| 9343897 | Circuit breaker system and method | Rui Zhou, Ravisekhar Nadimpalli Raju, Satish Prabhakaran, Philip Michael Cioffi | 2016-05-17 |
| 9325273 | Method and system for driving electric machines | Di Zhang, Andrew Allen Rockhill, Rixin Lai | 2016-04-26 |
| 9252681 | Power converter with a first string having controllable semiconductor switches and a second string having switching modules | Di Zhang, Andrew Allen Rockhill, Rixin Lai | 2016-02-02 |
| 9099936 | High voltage direct current (HVDC) converter system and method of operating the same | Ranjan Kumar Gupta, Nilanjan Ray Chaudhuri, Rajib Datta | 2015-08-04 |
| 9065377 | Load commutated inverter drive systems for high power drive applications | Chunchun Xu, Allen Michael Ritter, Cyrus David Harbourt, Cheng Luo | 2015-06-23 |
| 9013904 | System and method for DC power transmission | Di Zhang | 2015-04-21 |