- All sections
- H - Electricity
- H02P - Control or regulation of electric motors, electric generators or dynamo-electric converterscontrolling transformers, reactors or choke coils
- H02P 23/04 - Arrangements or methods for the control of AC motors characterised by a control method other than vector control specially adapted for damping motor oscillations, e.g. for reducing hunting
Patent holdings for IPC class H02P 23/04
Total number of patents in this class: 269
10-year publication summary
8
|
18
|
16
|
32
|
33
|
23
|
20
|
30
|
26
|
20
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Mitsubishi Electric Corporation | 46295 |
21 |
Nidec Corporation | 2668 |
14 |
Denso Corporation | 24387 |
10 |
Robert Bosch GmbH | 42742 |
9 |
Hitachi Astemo, Ltd. | 6385 |
9 |
Siemens AG | 24436 |
7 |
Nidec elesys Corporation | 71 |
7 |
Panasonic Intellectual Property Management Co., Ltd. | 31696 |
6 |
Hitachi Automotive Systems, Ltd. | 3955 |
5 |
Daikin Industries, Ltd. | 10047 |
5 |
Rockwell Automation Technologies, Inc. | 2726 |
5 |
ABB Schweiz AG | 7009 |
5 |
Meidensha Corporation | 892 |
5 |
Tula Technology, Inc. | 347 |
5 |
Minebea Mitsumi Inc. | 1753 |
5 |
JTEKT Corporation | 2508 |
4 |
NSK Ltd. | 2789 |
4 |
Hitachi Industrial Equipment Systems Co., Ltd. | 1464 |
4 |
Nippon Steel Corporation | 6296 |
4 |
Rolls-Royce PLC | 3125 |
3 |
Other owners | 132 |