- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 3/42 - Means for preventing or reducing eddy-current losses in the winding heads, e.g. by shielding
Patent holdings for IPC class H02K 3/42
Total number of patents in this class: 95
10-year publication summary
3
|
5
|
5
|
22
|
15
|
11
|
11
|
10
|
9
|
6
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Denso Corporation | 24480 |
7 |
Upwing Energy, Inc. | 51 |
7 |
Rolls-Royce PLC | 3133 |
6 |
Advanced Magnet Lab, Inc. | 35 |
4 |
General Electric Company | 13859 |
2 |
Toyota Motor Corporation | 32869 |
2 |
Honeywell International Inc. | 13560 |
2 |
Robert Bosch GmbH | 42824 |
2 |
Mitsubishi Electric Corporation | 46449 |
2 |
Audi AG | 7377 |
2 |
Nidec Corporation | 2672 |
2 |
Ohio State Innovation Foundation | 2172 |
2 |
Jing-jin Electric Technologies Co., Ltd. | 214 |
2 |
Flowserve Pte. Ltd | 356 |
2 |
Bruj, Olivia | 2 |
2 |
Mitsubishi Generator Co., Ltd. | 147 |
2 |
Honda Motor Co., Ltd. | 25499 |
1 |
The Regents of the University of California | 20087 |
1 |
Hitachi, Ltd. | 15572 |
1 |
GM Global Technology Operations LLC | 15162 |
1 |
Other owners | 43 |