- 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 |