- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 21/14 - Synchronous motors having permanent magnets; Synchronous 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: 1312
10-year publication summary
|
69
|
76
|
113
|
110
|
186
|
152
|
160
|
128
|
105
|
29
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 43934 |
120 |
| Denso Corporation | 23338 |
81 |
| Nidec Corporation | 2579 |
37 |
| LG Innotek Co., Ltd. | 6758 |
20 |
| Honda Motor Co., Ltd. | 24537 |
18 |
| Daikin Industries, Ltd. | 9495 |
17 |
| Mitsuba Corporation | 806 |
17 |
| Kabushiki Kaisha Yaskawa Denki | 1468 |
16 |
| GM Global Technology Operations LLC | 13620 |
15 |
| Hitachi Astemo, Ltd. | 5618 |
15 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
14 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6275 |
13 |
| Samsung Electronics Co., Ltd. | 131630 |
12 |
| Panasonic Corporation | 20786 |
12 |
| Hamilton Sundstrand Corporation | 4525 |
12 |
| Linear Labs, Inc. | 60 |
12 |
| LG Electronics Inc. | 69257 |
11 |
| Toyota Motor Corporation | 28582 |
11 |
| Nissan Motor Co., Ltd. | 12249 |
11 |
| General Electric Company | 18133 |
10 |
| Other owners | 838 |