- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 21/14 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
Patent holdings for IPC class H02K 21/14
Total number of patents in this class: 1412
10-year publication summary
|
74
|
113
|
109
|
182
|
150
|
157
|
126
|
106
|
96
|
84
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 46814 |
116 |
| Denso Corporation | 24729 |
82 |
| Nidec Corporation | 2698 |
36 |
| Honda Motor Co., Ltd. | 25773 |
24 |
| LG Innotek Co., Ltd. | 7904 |
22 |
| GM Global Technology Operations LLC | 15340 |
20 |
| Linear Labs, Inc. | 75 |
19 |
| Samsung Electronics Co., Ltd. | 148765 |
16 |
| Panasonic Intellectual Property Management Co., Ltd. | 32296 |
16 |
| Daikin Industries, Ltd. | 10146 |
16 |
| Mitsuba Corporation | 815 |
16 |
| Hitachi Astemo, Ltd. | 6367 |
16 |
| Kabushiki Kaisha Yaskawa Denki | 1470 |
15 |
| Hamilton Sundstrand Corporation | 4954 |
13 |
| Panasonic Corporation | 19976 |
12 |
| Ford Global Technologies, LLC | 20860 |
12 |
| Schaeffler Technologies AG & Co. KG | 10310 |
12 |
| Toyota Motor Corporation | 33341 |
11 |
| Mitsubishi Heavy Industries, Ltd. | 8861 |
11 |
| Toshiba Corporation | 12534 |
11 |
| Other owners | 916 |