- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 21/16 - Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures having annular armature cores with salient poles
Patent holdings for IPC class H02K 21/16
Total number of patents in this class: 884
10-year publication summary
|
58
|
86
|
64
|
86
|
95
|
98
|
109
|
82
|
85
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 44851 |
116 |
| Denso Corporation | 23769 |
44 |
| Panasonic Intellectual Property Management Co., Ltd. | 29733 |
39 |
| Black & Decker, Inc. | 2405 |
29 |
| Milwaukee Electric Tool Corporation | 4100 |
29 |
| Nidec Corporation | 2601 |
27 |
| Nidec Motor Corporation | 524 |
21 |
| LG Electronics Inc. | 71039 |
20 |
| Mitsuba Corporation | 808 |
15 |
| Minebea Mitsumi Inc. | 1616 |
13 |
| Daikin Industries, Ltd. | 9838 |
12 |
| Makita Corporation | 2415 |
12 |
| Samsung Electronics Co., Ltd. | 139001 |
10 |
| Robert Bosch GmbH | 41786 |
8 |
| Amotech Co., Ltd. | 500 |
8 |
| Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Wurzburg | 234 |
8 |
| Kabushiki Kaisha Yaskawa Denki | 1479 |
8 |
| Persimmon Technologies, Corp. | 149 |
8 |
| Regal Beloit America, Inc. | 915 |
8 |
| Grundfos Holding A/S | 529 |
8 |
| Other owners | 441 |