- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 21/26 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with rotating armatures and stationary magnets
Patent holdings for IPC class H02K 21/26
Total number of patents in this class: 91
10-year publication summary
|
6
|
10
|
5
|
5
|
5
|
4
|
10
|
4
|
0
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Linear Labs, Inc. | 75 |
6 |
| Johnson Electric International AG | 373 |
5 |
| Mabuchi Motor Co., Ltd. | 198 |
4 |
| Denso Corporation | 24404 |
3 |
| Hamilton Sundstrand Corporation | 4906 |
3 |
| Motor Excellence, LLC | 18 |
3 |
| T. K Leverage Co., Ltd. | 4 |
3 |
| Mitsubishi Electric Corporation | 46346 |
2 |
| Black & Decker, Inc. | 2410 |
2 |
| National University Corporation Tokyo University of Marine Science and Technology | 105 |
2 |
| Nuspecies Global Machines Corporation | 3 |
2 |
| Mitsubishi Electric Mobility Corporation | 1076 |
2 |
| General Electric Company | 13827 |
1 |
| Halliburton Energy Services, Inc. | 20937 |
1 |
| Siemens AG | 24421 |
1 |
| Massachusetts Institute of Technology | 10093 |
1 |
| Mediatek Inc. | 5149 |
1 |
| LG Innotek Co., Ltd. | 7708 |
1 |
| Whirlpool Corporation | 4437 |
1 |
| Aisin Seiki Kabushiki Kaisha | 2226 |
1 |
| Other owners | 46 |