- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 3/46 - Fastening of windings on the stator or rotor structure
Patent holdings for IPC class H02K 3/46
Total number of patents in this class: 581
10-year publication summary
|
25
|
31
|
45
|
56
|
61
|
40
|
44
|
47
|
46
|
30
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 46249 |
50 |
| Panasonic Intellectual Property Management Co., Ltd. | 31598 |
39 |
| Denso Corporation | 24372 |
35 |
| Nidec Corporation | 2667 |
24 |
| Daikin Industries, Ltd. | 10031 |
17 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1461 |
17 |
| Mitsuba Corporation | 808 |
12 |
| Infinitum Electric Inc. | 87 |
10 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12781 |
10 |
| Hamilton Sundstrand Corporation | 4900 |
8 |
| Hitachi, Ltd. | 15521 |
7 |
| Nidec Servo Corporation | 97 |
7 |
| Honda Motor Co., Ltd. | 25335 |
6 |
| Hitachi Automotive Systems, Ltd. | 3957 |
6 |
| Nissan Motor Co., Ltd. | 12520 |
6 |
| LG Innotek Co., Ltd. | 7685 |
6 |
| Aisin AW Co., Ltd. | 2325 |
6 |
| Whylot SAS | 81 |
6 |
| Robert Bosch GmbH | 42721 |
5 |
| Amotech Co., Ltd. | 523 |
5 |
| Other owners | 299 |