- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 21/00 - Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
Patent holdings for IPC class H02K 21/00
Total number of patents in this class: 213
10-year publication summary
|
25
|
20
|
20
|
14
|
11
|
6
|
8
|
20
|
7
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toshiba Corporation | 12017 |
7 |
| Mitsubishi Electric Corporation | 43934 |
4 |
| The United States of America as represented by the Secretary of the Navy | 2734 |
3 |
| Hamilton Sundstrand Corporation | 4525 |
3 |
| Obshchestvo S Ogranichennoj Otvetstvennostyu "vdm-tekhnika" | 3 |
3 |
| Genesis Motion Solutions ULC | 22 |
3 |
| Samsung Electronics Co., Ltd. | 131630 |
2 |
| General Electric Company | 18133 |
2 |
| Siemens AG | 24990 |
2 |
| Toyota Motor Corporation | 28582 |
2 |
| Denso Corporation | 23338 |
2 |
| Caterpillar Inc. | 8877 |
2 |
| TDK Corporation | 6306 |
2 |
| ABB Schweiz AG | 6321 |
2 |
| AeroVironment, Inc. | 499 |
2 |
| Allied Motion Technologies Inc. | 26 |
2 |
| Apparent Energy, Inc. | 3 |
2 |
| BYD Company Limited | 3700 |
2 |
| FEAAM GmbH | 36 |
2 |
| Gates Corporation | 1182 |
2 |
| Other owners | 162 |