- All sections
- H - Electricity
- H02P - Control or regulation of electric motors, electric generators or dynamo-electric converterscontrolling transformers, reactors or choke coils
- H02P 21/05 - Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation specially adapted for damping motor oscillations, e.g. for reducing hunting
Patent holdings for IPC class H02P 21/05
Total number of patents in this class: 436
10-year publication summary
|
20
|
16
|
20
|
48
|
45
|
46
|
43
|
45
|
45
|
27
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 45962 |
51 |
| Hitachi Astemo, Ltd. | 6387 |
28 |
| Denso Corporation | 24230 |
21 |
| Nidec Corporation | 2657 |
18 |
| Robert Bosch GmbH | 42632 |
16 |
| NSK Ltd. | 2770 |
15 |
| Daikin Industries, Ltd. | 9991 |
12 |
| Nissan Motor Co., Ltd. | 12458 |
10 |
| Siemens Gamesa Renewable Energy A/S | 1866 |
8 |
| Schaeffler Technologies AG & Co. KG | 9818 |
7 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1452 |
7 |
| Jiangsu University | 1094 |
7 |
| RENAULT s.a.s. | 5454 |
7 |
| Mitsubishi Electric Mobility Corporation | 1067 |
7 |
| Hyundai Motor Company | 21897 |
6 |
| TRW Limited | 255 |
6 |
| Siemens AG | 24520 |
5 |
| Electro Standards Laboratories | 28 |
5 |
| Steering Solutions IP Holding Corporation | 915 |
5 |
| Hitachi, Ltd. | 15459 |
4 |
| Other owners | 191 |