- All sections
- H - Electricity
- H02P - Control or regulation of electric motors, electric generators or dynamo-electric converterscontrolling transformers, reactors or choke coils
- H02P 21/22 - Current control, e.g. using a current control loop
Patent holdings for IPC class H02P 21/22
Total number of patents in this class: 1562
10-year publication summary
|
41
|
74
|
102
|
198
|
189
|
163
|
175
|
185
|
184
|
177
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 46973 |
122 |
| Denso Corporation | 24797 |
114 |
| Hitachi Astemo, Ltd. | 6372 |
57 |
| Hyundai Motor Company | 22842 |
28 |
| Mitsubishi Electric Mobility Corporation | 1107 |
27 |
| GM Global Technology Operations LLC | 15401 |
25 |
| Nidec Corporation | 2705 |
25 |
| Steering Solutions IP Holding Corporation | 946 |
23 |
| NSK Ltd. | 2810 |
21 |
| Canon Inc. | 41151 |
20 |
| Robert Bosch GmbH | 43096 |
20 |
| Nissan Motor Co., Ltd. | 12673 |
19 |
| Toshiba Corporation | 12547 |
18 |
| LG Electronics Inc. | 73825 |
17 |
| JTEKT Corporation | 2530 |
16 |
| Texas Instruments Incorporated | 19498 |
15 |
| Toyota Motor Corporation | 33519 |
14 |
| Hitachi Automotive Systems, Ltd. | 3955 |
14 |
| Panasonic Intellectual Property Management Co., Ltd. | 32504 |
14 |
| ABB Schweiz AG | 7201 |
14 |
| Other owners | 939 |