- 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: 100
10-year publication summary
|
5
|
5
|
22
|
15
|
11
|
11
|
11
|
9
|
6
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Denso Corporation | 25183 |
7 |
| Upwing Energy, Inc. | 61 |
7 |
| Rolls-Royce PLC | 3183 |
6 |
| Advanced Magnet Lab, Inc. | 35 |
4 |
| General Electric Company | 13831 |
2 |
| Toyota Motor Corporation | 34633 |
2 |
| Honeywell International Inc. | 12786 |
2 |
| Robert Bosch GmbH | 43587 |
2 |
| Mitsubishi Electric Corporation | 47602 |
2 |
| Audi AG | 7475 |
2 |
| Nidec Corporation | 2765 |
2 |
| Ohio State Innovation Foundation | 2308 |
2 |
| Jing-jin Electric Technologies Co., Ltd. | 234 |
2 |
| Flowserve Pte. Ltd | 377 |
2 |
| Bruj, Olivia | 2 |
2 |
| Mitsubishi Generator Co., Ltd. | 155 |
2 |
| Honda Motor Co., Ltd. | 25871 |
1 |
| The Regents of the University of California | 20534 |
1 |
| Hitachi, Ltd. | 15895 |
1 |
| GM Global Technology Operations LLC | 15817 |
1 |
| Other owners | 48 |