- 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: 3135
10-year publication summary
97
|
228
|
331
|
392
|
492
|
471
|
389
|
396
|
423
|
115
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Denso Corporation | 23338 |
181 |
Nidec Corporation | 2579 |
165 |
Mitsubishi Electric Corporation | 43934 |
144 |
Hitachi Astemo, Ltd. | 5618 |
72 |
Milwaukee Electric Tool Corporation | 3572 |
67 |
Robert Bosch GmbH | 40953 |
64 |
Black & Decker, Inc. | 2402 |
63 |
Toyota Industries Corporation | 1010 |
45 |
Honda Motor Co., Ltd. | 24537 |
43 |
Makita Corporation | 2339 |
37 |
Nidec Tosok Corporation | 213 |
36 |
Valeo Equipements Electriques Moteur | 1036 |
35 |
Schaeffler Technologies AG & Co. KG | 8880 |
34 |
Nidec Motor Corporation | 527 |
28 |
Hitachi Automotive Systems, Ltd. | 3970 |
27 |
Siemens AG | 24990 |
26 |
Hamilton Sundstrand Corporation | 4525 |
24 |
Hanon Systems | 1632 |
24 |
Valeo Systemes Thermiques | 2471 |
24 |
Mitsubishi Heavy Industries Thermal Systems, Ltd. | 786 |
24 |
Other owners | 1972 |