- 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: 561
10-year publication summary
40
|
37
|
44
|
54
|
70
|
45
|
57
|
53
|
42
|
9
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Mitsubishi Electric Corporation | 43934 |
45 |
FANUC Corporation | 5803 |
25 |
Denso Corporation | 23338 |
22 |
Honda Motor Co., Ltd. | 24537 |
13 |
Rolls-Royce North American Technologies, Inc. | 1079 |
13 |
Aisin AW Co., Ltd. | 2430 |
11 |
TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13301 |
11 |
Toyota Motor Corporation | 28582 |
9 |
Regal Beloit America, Inc. | 939 |
9 |
SEW-EURODRIVE GmbH & Co. KG | 1816 |
9 |
Zhongshan Broad-Ocean Motor Co., Ltd. | 499 |
9 |
Siemens AG | 24990 |
8 |
LG Electronics Inc. | 69257 |
8 |
Hyundai Motor Company | 19021 |
7 |
Omron Corporation | 6968 |
7 |
Pratt & Whitney Canada Corp. | 4215 |
6 |
Rolls-Royce PLC | 2944 |
6 |
Hamilton Sundstrand Corporation | 4525 |
6 |
Kabushiki Kaisha Yaskawa Denki | 1468 |
6 |
Nissan Motor Co., Ltd. | 12249 |
5 |
Other owners | 326 |