- All sections
- H - Electricity
- H02P - Control or regulation of electric motors, electric generators or dynamo-electric converterscontrolling transformers, reactors or choke coils
- H02P 21/13 - Observer control, e.g. using Luenberger observers or Kalman filters
Patent holdings for IPC class H02P 21/13
Total number of patents in this class: 300
10-year publication summary
|
6
|
17
|
27
|
33
|
31
|
30
|
26
|
28
|
33
|
13
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 48287 |
11 |
| NSK Ltd. | 2843 |
8 |
| Black & Decker, Inc. | 2464 |
7 |
| Deere & Company | 8167 |
6 |
| The Trustees of Columbia University in the City of New York | 3652 |
6 |
| ABB Schweiz AG | 7703 |
6 |
| IFP Energies Nouvelles | 3112 |
6 |
| Huazhong University of Science and Technology | 1142 |
5 |
| Kabushiki Kaisha Yaskawa Denki | 1459 |
5 |
| Midea Group Co., Ltd. | 5070 |
5 |
| Robert Bosch GmbH | 44291 |
4 |
| Nissan Motor Co., Ltd. | 13028 |
4 |
| Rockwell Automation Technologies, Inc. | 2810 |
4 |
| Schaeffler Technologies AG & Co. KG | 11159 |
4 |
| Board of Regents of the University of Nebraska | 795 |
4 |
| ebm-papst Mulfingen GmbH & Co. KG | 497 |
4 |
| Magna International Inc. | 1174 |
4 |
| Microchip Technology Incorporated | 3353 |
4 |
| Nidec Corporation | 2828 |
4 |
| RENAULT s.a.s. | 5377 |
4 |
| Other owners | 195 |