- All sections
- H - Electricity
- H02P - Control or regulation of electric motors, electric generators or dynamo-electric converterscontrolling transformers, reactors or choke coils
- H02P 21/30 - Direct torque control [DTC] or field acceleration method [FAM]
Patent holdings for IPC class H02P 21/30
Total number of patents in this class: 68
10-year publication summary
|
0
|
2
|
8
|
8
|
7
|
8
|
7
|
10
|
3
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Jiangsu University | 1179 |
4 |
| Denso Corporation | 25909 |
3 |
| The Trustees of Columbia University in the City of New York | 3666 |
3 |
| ABB Schweiz AG | 7775 |
3 |
| Cummins Inc. | 2671 |
3 |
| Tula Technology, Inc. | 352 |
3 |
| Tau Motors, Inc. | 87 |
3 |
| Daikin Industries, Ltd. | 10546 |
2 |
| King Fahd University of Petroleum and Minerals | 1609 |
2 |
| Hitachi Astemo, Ltd. | 6443 |
2 |
| King Abdullah City for Atomic & Renewable Energy (K.A.CARE) | 13 |
2 |
| The Boeing Company | 20232 |
1 |
| Toshiba Corporation | 12754 |
1 |
| Mitsubishi Electric Corporation | 48508 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 34685 |
1 |
| Aisin AW Co., Ltd. | 2239 |
1 |
| Rockwell Automation Technologies, Inc. | 2800 |
1 |
| The Regents of the University of Michigan | 5081 |
1 |
| Omron Corporation | 7438 |
1 |
| The Board of Trustees of the University of Illinois | 2762 |
1 |
| Other owners | 29 |