- 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: 3660
10-year publication summary
|
228
|
331
|
392
|
492
|
473
|
393
|
415
|
433
|
379
|
262
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Denso Corporation | 24282 |
195 |
| Nidec Corporation | 2662 |
166 |
| Mitsubishi Electric Corporation | 46093 |
129 |
| Milwaukee Electric Tool Corporation | 4390 |
85 |
| Black & Decker, Inc. | 2409 |
78 |
| Hitachi Astemo, Ltd. | 6387 |
78 |
| Robert Bosch GmbH | 42689 |
68 |
| Toyota Industries Corporation | 1117 |
52 |
| Honda Motor Co., Ltd. | 25251 |
43 |
| Schaeffler Technologies AG & Co. KG | 9873 |
41 |
| Makita Corporation | 2450 |
41 |
| Nidec Tosok Corporation | 206 |
36 |
| Valeo Equipements Electriques Moteur | 997 |
36 |
| Toyota Motor Corporation | 32116 |
32 |
| Hanon Systems | 1940 |
32 |
| Aisin Corporation | 1557 |
32 |
| Mitsubishi Electric Mobility Corporation | 1067 |
31 |
| Nidec Motor Corporation | 527 |
28 |
| Hitachi Automotive Systems, Ltd. | 3958 |
27 |
| LG Innotek Co., Ltd. | 7643 |
26 |
| Other owners | 2404 |