- All sections
- H - Electricity
- H02P - Control or regulation of electric motors, electric generators or dynamo-electric converterscontrolling transformers, reactors or choke coils
- H02P 5/74 - Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors controlling two or more AC dynamo-electric motors
Patent holdings for IPC class H02P 5/74
Total number of patents in this class: 617
10-year publication summary
|
44
|
54
|
70
|
45
|
56
|
57
|
44
|
32
|
31
|
13
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 48018 |
40 |
| FANUC Corporation | 7217 |
25 |
| Denso Corporation | 25534 |
24 |
| Honda Motor Co., Ltd. | 26025 |
15 |
| Aisin AW Co., Ltd. | 2254 |
11 |
| Rolls-Royce North American Technologies, Inc. | 1129 |
11 |
| SEW-EURODRIVE GmbH & Co. KG | 2033 |
11 |
| Hyundai Motor Company | 24653 |
10 |
| Toyota Motor Corporation | 35772 |
9 |
| Regal Beloit America, Inc. | 850 |
9 |
| Zhongshan Broad-Ocean Motor Co., Ltd. | 551 |
9 |
| LG Electronics Inc. | 75694 |
8 |
| Omron Corporation | 7360 |
8 |
| Kia Corporation | 12385 |
8 |
| Siemens AG | 24029 |
7 |
| Pratt & Whitney Canada Corp. | 5479 |
7 |
| Hamilton Sundstrand Corporation | 5015 |
7 |
| Kabushiki Kaisha Yaskawa Denki | 1463 |
7 |
| Rolls-Royce PLC | 3221 |
6 |
| Nidec Corporation | 2817 |
6 |
| Other owners | 379 |