- All sections
- H - Electricity
- H02P - Control or regulation of electric motors, electric generators or dynamo-electric converters; controlling transformers, reactors or choke coils
- H02P 21/08 - Indirect field-oriented control; Rotor flux feed-forward control
Patent holdings for IPC class H02P 21/08
Total number of patents in this class: 40
10-year publication summary
|
3
|
1
|
2
|
1
|
6
|
1
|
2
|
6
|
7
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 40953 |
4 |
| Tau Motors, Inc. | 43 |
3 |
| GM Global Technology Operations LLC | 13620 |
2 |
| Arthrex, Inc. | 1201 |
2 |
| FANUC Corporation | 5803 |
2 |
| Nidec Corporation | 2579 |
2 |
| Siemens AG | 24990 |
1 |
| Toyota Motor Corporation | 28582 |
1 |
| Hitachi Automotive Systems, Ltd. | 3970 |
1 |
| Denso Corporation | 23338 |
1 |
| Mitsubishi Electric Corporation | 43934 |
1 |
| Nissan Motor Co., Ltd. | 12249 |
1 |
| Caterpillar Inc. | 8877 |
1 |
| Hyundai Motor Company | 19021 |
1 |
| Rockwell Automation Technologies, Inc. | 2547 |
1 |
| The Trustees of Columbia University in the City of New York | 3440 |
1 |
| Bombardier Transportation GmbH | 682 |
1 |
| BorgWarner Inc. | 2604 |
1 |
| Guangdong Kelon Air Conditioner Co., Ltd. | 19 |
1 |
| Hisense Kelon Electrical Holdings Co., Ltd. | 24 |
1 |
| Other owners | 11 |