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Dynex Semiconductor Limited

USPTO Granted Patents = 21

EPO Patents = 4

Forward Citations = 65

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21 inventors (with patents filed for the assignee):

Robin Adam Simpson (10 out of 10 patents)

Yangang Wang (9 out of 9 patents)

Luther-King Ngwendson (7 out of 7 patents)

4. Ian Deviny (7 out of 7 patents)

5. Michael David Nicholson (3 out of 3 patents)

6. Florin Udrea (2 out of 118 patents)

7. Gehan Anil Joseph Amaratunga (2 out of 25 patents)

8. John Hutchings (2 out of 2 patents)

9. Tatjana Traijkovic (2 out of 2 patents)

10. Kenneth Grattan (1 out of 2 patents)

11. Tong Sun (1 out of 3 patents)

12. Matthias Fabian (1 out of 2 patents)

13. Guoyou Liu (1 out of 7 patents)

14. Chunlin Zhu (1 out of 3 patents)

15. Haihui Luo (1 out of 6 patents)

21 patents: Sort by Forward Citations

1. 12713913 - SEMICONDUCTOR DEVICE (2026-08-18),

2. 12677429 - IGBT device (2026-07-07),

3. 12667010 - Semiconductor device (2026-06-23),

4. 12666635 - IGBT with a variation of trench oxide thickness regions (2026-06-23),

5. 12656189 - Semiconductor device (2026-06-16),

6. 12564093 - Semiconductor device (2026-02-24),

7. 12550782 - Semiconductor device (2026-02-10),

8. 12506044 - Semiconductor device (2025-12-23),

9. 12471327 - Semiconductor device (2025-11-11),

10. 12463155 - Semiconductor device (2025-11-04),

11. 12317561 - SIC MOSFET structures with asymmetric trench oxide (2025-05-27),

12. 12166111 - Reverse conducting IGBT with controlled anode injection (2024-12-10),

13. 12068298 - High power density 3D semiconductor module packaging (2024-08-20),

14. 11574894 - Semiconductor device sub-assembly (2023-02-07),

15. 11569371 - Semiconductor device (2023-01-31),

Dynex Semiconductor Limited specializes in the development and manufacturing of high-performance power semiconductor devices. The company focuses on technologies that enhance energy efficiency and reliability across various applications, including industrial, automotive, and renewable energy sectors. With a strong emphasis on innovation, Dynex is committed to advancing power electronics solutions that meet the evolving demands of the global market, particularly in Hunan, China, where it is headquartered.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

21 Patents

#6 in Hunan

#1,392 in China

#29,927 in the World

Dynex Semiconductor Limited

Forward Citations = 65

21 inventors:

Robin Adam Simpson (10 out of 10 patents)

Yangang Wang (9 out of 9 patents)

Luther-King Ngwendson (7 out of 7 patents)

4. Ian Deviny (7 out of 7 patents)

5. Michael David Nicholson (3 out of 3 patents)

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