- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 21/38 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with rotating flux distributors, and armatures and magnets both stationary
Patent holdings for IPC class H02K 21/38
Total number of patents in this class: 74
10-year publication summary
|
3
|
6
|
2
|
4
|
5
|
1
|
3
|
3
|
2
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 45128 |
9 |
| Daikin Industries, Ltd. | 9874 |
5 |
| Nagoya Institute of Technology | 219 |
4 |
| Prototus, Ltd. | 13 |
3 |
| Siemens AG | 24606 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 8592 |
2 |
| Denso Corporation | 23912 |
2 |
| Levitronix GmbH | 58 |
2 |
| QM Power, Inc. | 57 |
2 |
| Tian di Tai Technology (HongKong) Co., Limited | 6 |
2 |
| Ventspils Augstskola | 9 |
2 |
| Samsung Electronics Co., Ltd. | 140622 |
1 |
| Deere & Company | 7410 |
1 |
| Toshiba Corporation | 12136 |
1 |
| Industrial Technology Research Institute | 4963 |
1 |
| Hamilton Sundstrand Corporation | 4765 |
1 |
| Engineering Matters, Inc. | 4 |
1 |
| Evr Motors Ltd. | 21 |
1 |
| Höganäs AB | 320 |
1 |
| Johannes Kepler Universität Linz | 27 |
1 |
| Other owners | 30 |