- All sections
- H - Electricity
- H02P - Control or regulation of electric motors, electric generators or dynamo-electric converters; controlling 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: 576
10-year publication summary
|
37
|
44
|
54
|
70
|
45
|
57
|
57
|
42
|
27
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 44678 |
39 |
| FANUC Corporation | 6306 |
25 |
| Denso Corporation | 23692 |
23 |
| Honda Motor Co., Ltd. | 24855 |
14 |
| Rolls-Royce North American Technologies, Inc. | 1131 |
13 |
| Aisin AW Co., Ltd. | 2365 |
11 |
| SEW-EURODRIVE GmbH & Co. KG | 1908 |
11 |
| Toyota Motor Corporation | 30292 |
9 |
| Regal Beloit America, Inc. | 917 |
9 |
| Zhongshan Broad-Ocean Motor Co., Ltd. | 515 |
9 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13117 |
9 |
| LG Electronics Inc. | 70831 |
8 |
| Hyundai Motor Company | 20356 |
8 |
| Omron Corporation | 7153 |
8 |
| Siemens AG | 24575 |
7 |
| Kabushiki Kaisha Yaskawa Denki | 1475 |
7 |
| Pratt & Whitney Canada Corp. | 4428 |
6 |
| Rolls-Royce PLC | 2976 |
6 |
| Hamilton Sundstrand Corporation | 4712 |
6 |
| Kia Corporation | 8026 |
6 |
| Other owners | 342 |