- 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: 584
10-year publication summary
|
37
|
44
|
54
|
70
|
45
|
57
|
57
|
43
|
27
|
13
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 45461 |
39 |
| FANUC Corporation | 6519 |
25 |
| Denso Corporation | 24016 |
23 |
| Honda Motor Co., Ltd. | 25109 |
14 |
| Aisin AW Co., Ltd. | 2346 |
11 |
| Rolls-Royce North American Technologies, Inc. | 1155 |
11 |
| SEW-EURODRIVE GmbH & Co. KG | 1924 |
11 |
| Toyota Motor Corporation | 30988 |
9 |
| Hyundai Motor Company | 21236 |
9 |
| Regal Beloit America, Inc. | 907 |
9 |
| Zhongshan Broad-Ocean Motor Co., Ltd. | 509 |
9 |
| LG Electronics Inc. | 71944 |
8 |
| Omron Corporation | 7202 |
8 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12907 |
8 |
| Siemens AG | 24532 |
7 |
| Hamilton Sundstrand Corporation | 4804 |
7 |
| Kabushiki Kaisha Yaskawa Denki | 1476 |
7 |
| Kia Corporation | 8906 |
7 |
| Pratt & Whitney Canada Corp. | 4481 |
6 |
| Rolls-Royce PLC | 3020 |
6 |
| Other owners | 350 |