- All sections
- H - Electricity
- H02P - Control or regulation of electric motors, electric generators or dynamo-electric converters; controlling transformers, reactors or choke coils
- H02P 21/20 - Estimation of torque
Patent holdings for IPC class H02P 21/20
Total number of patents in this class: 210
10-year publication summary
|
10
|
14
|
17
|
19
|
21
|
29
|
26
|
27
|
28
|
11
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 43934 |
15 |
| Denso Corporation | 23338 |
9 |
| RENAULT s.a.s. | 5674 |
8 |
| Robert Bosch GmbH | 40953 |
7 |
| Nissan Motor Co., Ltd. | 12249 |
6 |
| Ford Global Technologies, LLC | 19702 |
5 |
| Toyota Motor Corporation | 28582 |
4 |
| GM Global Technology Operations LLC | 13620 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
4 |
| Toshiba Mitsubishi-Electric Industrial Systems Corporation | 1583 |
4 |
| Mavel EDT S.p.A. | 36 |
4 |
| Canon Inc. | 36841 |
3 |
| Hyundai Motor Company | 19021 |
3 |
| Delta Electronics, Inc. | 2401 |
3 |
| JTEKT Corporation | 2423 |
3 |
| Deutsche Bahn AG | 232 |
3 |
| Schneider Toshiba Inverter Europe SAS | 126 |
3 |
| Samsung Electronics Co., Ltd. | 131630 |
2 |
| General Electric Company | 18133 |
2 |
| Honda Motor Co., Ltd. | 24537 |
2 |
| Other owners | 116 |