- 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: 490
10-year publication summary
|
16
|
20
|
48
|
45
|
46
|
43
|
47
|
47
|
48
|
28
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 48236 |
53 |
| Hitachi Astemo, Ltd. | 6422 |
30 |
| Denso Corporation | 25676 |
25 |
| Robert Bosch GmbH | 44252 |
18 |
| Nidec Corporation | 2828 |
18 |
| NSK Ltd. | 2838 |
15 |
| Daikin Industries, Ltd. | 10513 |
12 |
| Nissan Motor Co., Ltd. | 13016 |
11 |
| Schaeffler Technologies AG & Co. KG | 11125 |
10 |
| Jiangsu University | 1175 |
8 |
| Siemens Gamesa Renewable Energy A/S | 1971 |
8 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1553 |
7 |
| RENAULT s.a.s. | 5372 |
7 |
| Mitsubishi Electric Mobility Corporation | 1163 |
7 |
| Hyundai Motor Company | 24852 |
6 |
| TRW Limited | 232 |
6 |
| Siemens AG | 23983 |
5 |
| Panasonic Intellectual Property Management Co., Ltd. | 34335 |
5 |
| Electro Standards Laboratories | 28 |
5 |
| Fujitsu General Limited | 601 |
5 |
| Other owners | 229 |