- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 11/33 - Drive circuits, e.g. power electronics
Patent holdings for IPC class H02K 11/33
Total number of patents in this class: 3726
10-year publication summary
227
|
328
|
385
|
484
|
469
|
393
|
413
|
429
|
383
|
307
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Denso Corporation | 24541 |
199 |
Nidec Corporation | 2684 |
167 |
Mitsubishi Electric Corporation | 46547 |
129 |
Milwaukee Electric Tool Corporation | 4481 |
86 |
Black & Decker, Inc. | 2408 |
79 |
Hitachi Astemo, Ltd. | 6381 |
78 |
Robert Bosch GmbH | 42815 |
68 |
Toyota Industries Corporation | 1140 |
57 |
Honda Motor Co., Ltd. | 25771 |
47 |
Schaeffler Technologies AG & Co. KG | 10017 |
42 |
Makita Corporation | 2465 |
42 |
Nidec Tosok Corporation | 206 |
36 |
Valeo Equipements Electriques Moteur | 992 |
36 |
Aisin Corporation | 1646 |
33 |
Toyota Motor Corporation | 32956 |
32 |
Hanon Systems | 1982 |
32 |
Mitsubishi Electric Mobility Corporation | 1081 |
31 |
Archer Aviation Inc. | 251 |
29 |
Nidec Motor Corporation | 528 |
28 |
Hitachi Automotive Systems, Ltd. | 3955 |
27 |
Other owners | 2448 |