- All sections
- H - Electricity
- H02P - Control or regulation of electric motors, electric generators or dynamo-electric converters; controlling 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: 1359
10-year publication summary
|
41
|
76
|
102
|
198
|
190
|
162
|
173
|
181
|
182
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 44678 |
105 |
| Denso Corporation | 23692 |
99 |
| Hitachi Astemo, Ltd. | 6034 |
53 |
| Mitsubishi Electric Mobility Corporation | 1040 |
27 |
| Hyundai Motor Company | 20356 |
25 |
| Nidec Corporation | 2594 |
24 |
| NSK Ltd. | 2728 |
21 |
| Steering Solutions IP Holding Corporation | 877 |
20 |
| Canon Inc. | 38016 |
19 |
| Robert Bosch GmbH | 41695 |
19 |
| GM Global Technology Operations LLC | 14181 |
19 |
| Nissan Motor Co., Ltd. | 12320 |
19 |
| LG Electronics Inc. | 70831 |
17 |
| JTEKT Corporation | 2431 |
16 |
| Toshiba Corporation | 12022 |
14 |
| Hitachi Automotive Systems, Ltd. | 3962 |
14 |
| Texas Instruments Incorporated | 19403 |
14 |
| Panasonic Intellectual Property Management Co., Ltd. | 29567 |
14 |
| ABB Schweiz AG | 6609 |
12 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1400 |
12 |
| Other owners | 796 |