- All sections
- H - Electricity
- H02P - Control or regulation of electric motors, electric generators or dynamo-electric converterscontrolling transformers, reactors or choke coils
- H02P 21/08 - Indirect field-oriented controlRotor flux feed-forward control
Patent holdings for IPC class H02P 21/08
Total number of patents in this class: 50
10-year publication summary
|
1
|
2
|
1
|
6
|
1
|
2
|
5
|
6
|
6
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tau Motors, Inc. | 64 |
5 |
| Robert Bosch GmbH | 42815 |
4 |
| The Trustees of Columbia University in the City of New York | 3589 |
3 |
| GM Global Technology Operations LLC | 15173 |
2 |
| Schaeffler Technologies AG & Co. KG | 10017 |
2 |
| Arthrex, Inc. | 1425 |
2 |
| FANUC Corporation | 6787 |
2 |
| Nidec Corporation | 2684 |
2 |
| Hitachi Astemo, Ltd. | 6381 |
2 |
| Siemens AG | 24352 |
1 |
| Toyota Motor Corporation | 32956 |
1 |
| Hitachi Automotive Systems, Ltd. | 3955 |
1 |
| Denso Corporation | 24541 |
1 |
| Mitsubishi Electric Corporation | 46547 |
1 |
| Nissan Motor Co., Ltd. | 12560 |
1 |
| Caterpillar Inc. | 9640 |
1 |
| Hyundai Motor Company | 22369 |
1 |
| Semiconductor Components Industries, L.L.C. | 5272 |
1 |
| Bombardier Transportation GmbH | 643 |
1 |
| BorgWarner Inc. | 2605 |
1 |
| Other owners | 15 |