- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 21/12 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets
Patent holdings for IPC class H02K 21/12
Total number of patents in this class: 922
10-year publication summary
|
83
|
71
|
60
|
60
|
39
|
46
|
58
|
46
|
26
|
15
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Denso Corporation | 24355 |
53 |
| Mitsubishi Electric Corporation | 46197 |
35 |
| Linear Labs, Inc. | 75 |
21 |
| GM Global Technology Operations LLC | 15095 |
17 |
| Toshiba Corporation | 12367 |
16 |
| AeroVironment, Inc. | 534 |
16 |
| Toyota Motor Corporation | 32450 |
14 |
| LG Electronics Inc. | 73344 |
13 |
| LG Innotek Co., Ltd. | 7667 |
13 |
| Samsung Electronics Co., Ltd. | 146811 |
12 |
| Black & Decker, Inc. | 2410 |
12 |
| Electric Torque Machines, Inc. | 54 |
12 |
| Regal Beloit America, Inc. | 867 |
12 |
| Siemens AG | 24453 |
11 |
| Ford Global Technologies, LLC | 20646 |
11 |
| Valeo Equipements Electriques Moteur | 997 |
10 |
| Amotech Co., Ltd. | 523 |
9 |
| Nidec Motor Corporation | 528 |
9 |
| Honda Motor Co., Ltd. | 25327 |
8 |
| Panasonic Intellectual Property Management Co., Ltd. | 31562 |
8 |
| Other owners | 610 |