- All sections
- H - Electricity
- H02P - Control or regulation of electric motors, electric generators or dynamo-electric converters; controlling transformers, reactors or choke coils
- H02P 23/03 - Arrangements or methods for the control of AC motors characterised by a control method other than vector control specially adapted for very low speeds
Patent holdings for IPC class H02P 23/03
Total number of patents in this class: 42
10-year publication summary
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3
|
3
|
4
|
4
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4
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1
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4
|
1
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0
|
0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| TRW Limited | 258 |
5 |
| Mitsubishi Electric Corporation | 44794 |
3 |
| Nidec Tosok Corporation | 206 |
3 |
| Renesas Electronics Corporation | 6153 |
2 |
| Robert Bosch GmbH | 41765 |
2 |
| Daikin Industries, Ltd. | 9836 |
2 |
| Zhongshan Broad-Ocean Motor Co., Ltd. | 515 |
2 |
| Huawei Digital Power Technologies Co. Ltd. | 1871 |
2 |
| Siemens AG | 24573 |
1 |
| Toyota Motor Corporation | 30398 |
1 |
| Hyundai Motor Company | 20442 |
1 |
| Aisin AW Co., Ltd. | 2364 |
1 |
| Hamilton Sundstrand Corporation | 4724 |
1 |
| Kia Motors Corporation | 7777 |
1 |
| Baumuller Nurnberg GmbH | 104 |
1 |
| Dayton-Phoenix Group, Inc. | 7 |
1 |
| Hubei Queen-ocean Electrical Appliance Manufacture Co., Ltd. | 16 |
1 |
| IHI Aerospace Co., Ltd. | 102 |
1 |
| Lsis Co., Ltd. | 817 |
1 |
| Rivian IP Holdings, LLC | 1212 |
1 |
| Other owners | 9 |