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For the Inventor, By the Inventor

Oxford, United Kingdom

Yasa Limited

Calculating rank
USPTO Granted Patents = 19


Forward Citations = 113

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21 inventors (with patents filed for the assignee):

goldMedal Tim Woolmer (11 out of 18 patents)

silverMedal Richard Phillips (5 out of 5 patents)

bronzeMedal Simon David Hart (5 out of 14 patents)

4.  Tom Hillman (4 out of 4 patents)

5.  Andrew Court (4 out of 4 patents)

6.  Timothy Woolmer (3 out of 3 patents)

7.  Christopher Thomas McCaw (3 out of 3 patents)

8.  Jonathan James Biddulph (3 out of 3 patents)

9.  Charles Edmund King (3 out of 5 patents)

10.  Samuel David Ahearn (3 out of 3 patents)

11.  Christopher Stuart Malam (2 out of 2 patents)

12.  Mark Stephen Ewart East (2 out of 2 patents)

13.  Jon Barker (2 out of 3 patents)

14.  Graham Law (1 out of 1 patent)

15.  Francesca Bernardine Bumpus (1 out of 1 patent)


19 patents:

1. 12294318 - Controller for an axial flux machine and method (2025-05-06),
2. 12062957 - Axial flux machine shoe optimisation (2024-08-13),
3. 12057749 - Stator assembly flux alignment (2024-08-06),
4. 12040668 - Stator for axial flux machine (2024-07-16),
5. 11791713 - Method and apparatus for cooling one or more power devices (2023-10-17),
6. 11757374 - Method and apparatus for generating a three-phase voltage (2023-09-12),
7. 11646676 - Method and apparatus for generating a three-phase voltage (2023-05-09),
8. 11342810 - Axial flux machine with rotor and stator with clutch mechanism TN the hollow region along the axis (2022-05-24),
9. 11276622 - Inverter arrangement (2022-03-15),
10. 10985089 - Semiconductor cooling arrangement (2021-04-20),
11. 10951075 - Machine cooling systems (2021-03-16),
12. 10826338 - Axial flux machine (2020-11-03),
13. 10630157 - Axial flux machine (2020-04-21),
14. 10608512 - Axial flux machine manufacture (2020-03-31),
15. 10608490 - Axial flux machine (2020-03-31),
Company Overview
Yasa Limited, based in Oxford, specializes in the development and manufacturing of advanced electric motor technology. The company focuses on high-performance, lightweight electric motors and powertrains, catering primarily to the automotive sector. Yasa's innovative approach integrates cutting-edge engineering with a commitment to sustainability, positioning it as a key player in the transition to electric mobility. Their expertise extends to various applications, enhancing efficiency and performance in electric vehicles and beyond.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

19 Patents

#14 in Oxford

#928 in United Kingdom

#32,705 in the World

Oxford, GB
Oxford, United Kingdom

Yasa Limited

Forward Citations = 113

21 inventors:

goldMedal Tim Woolmer (11 out of 18 patents)

silverMedal Richard Phillips (5 out of 5 patents)

bronzeMedal Simon David Hart (5 out of 14 patents)

4.  Tom Hillman (4 out of 4 patents)

5.  Andrew Court (4 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Yasa Limited. Retrieved from https://idiyas.com/company/yasa

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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