- All sections
- H - Electricity
- H02P - Control or regulation of electric motors, electric generators or dynamo-electric converters; controlling transformers, reactors or choke coils
- H02P 21/13 - 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: 235
10-year publication summary
9
|
12
|
6
|
17
|
27
|
33
|
31
|
30
|
25
|
10
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Mitsubishi Electric Corporation | 43934 |
10 |
NSK Ltd. | 2719 |
8 |
Deere & Company | 6845 |
6 |
IFP Energies Nouvelles | 2717 |
6 |
ABB Schweiz AG | 6321 |
5 |
Huazhong University of Science and Technology | 930 |
5 |
Kabushiki Kaisha Yaskawa Denki | 1468 |
5 |
Midea Group Co., Ltd. | 4025 |
5 |
Black & Decker, Inc. | 2402 |
4 |
Rockwell Automation Technologies, Inc. | 2547 |
4 |
Board of Regents of the University of Nebraska | 725 |
4 |
ebm-papst Mulfingen GmbH & Co. KG | 608 |
4 |
Nidec Corporation | 2579 |
4 |
RENAULT s.a.s. | 5674 |
4 |
Texas Instruments Incorporated | 19376 |
3 |
Robert Bosch GmbH | 40953 |
3 |
Nissan Motor Co., Ltd. | 12249 |
3 |
Hyundai Motor Company | 19021 |
3 |
Bayerische Motoren Werke Aktiengesellschaft | 13126 |
3 |
Thales SA | 2318 |
3 |
Other owners | 143 |