- All sections
- H - Electricity
- H02P - Control or regulation of electric motors, electric generators or dynamo-electric converters; controlling transformers, reactors or choke coils
- H02P 25/024 - Synchronous motors controlled by supply frequency
Patent holdings for IPC class H02P 25/024
Total number of patents in this class: 133
10-year publication summary
8
|
6
|
9
|
17
|
28
|
18
|
18
|
12
|
14
|
3
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Denso Corporation | 23338 |
13 |
Robert Bosch GmbH | 40953 |
5 |
Mitsubishi Electric Corporation | 43934 |
4 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
3 |
Daikin Industries, Ltd. | 9495 |
3 |
ABB Schweiz AG | 6321 |
3 |
Zhongshan Broad-Ocean Motor Co., Ltd. | 499 |
3 |
Quanten Technologies, Inc. | 17 |
3 |
Hitachi Astemo, Ltd. | 5618 |
3 |
Johnson Controls Tyco IP Holdings LLP | 1584 |
3 |
Zhejiang Keenwoo Technology Co., Ltd. | 3 |
3 |
General Electric Company | 18133 |
2 |
Toyota Motor Corporation | 28582 |
2 |
Hitachi Automotive Systems, Ltd. | 3970 |
2 |
Hyundai Motor Company | 19021 |
2 |
Bayerische Motoren Werke Aktiengesellschaft | 13126 |
2 |
Purdue Research Foundation | 3277 |
2 |
Accessesp UK Limited | 30 |
2 |
CRRC Qingdao Sifang Rolling Stock Research Institute Co., Ltd. | 84 |
2 |
Hitachi Mitsubishi Hydro Corporation | 29 |
2 |
Other owners | 69 |