- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 19/22 - Synchronous generators having windings each turn of which co-operates alternately with poles of opposite polarity, e.g. heteropolar generators
Patent holdings for IPC class H02K 19/22
Total number of patents in this class: 78
10-year publication summary
|
11
|
12
|
11
|
2
|
1
|
0
|
3
|
0
|
0
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 48048 |
29 |
| Denso Corporation | 25579 |
19 |
| Hitachi Automotive Systems, Ltd. | 3954 |
3 |
| GE Aviation Systems LLC | 592 |
3 |
| Valeo Equipements Electriques Moteur | 940 |
3 |
| SEG Automotive Germany GmbH | 205 |
3 |
| Wobben Properties GmbH | 1219 |
2 |
| Hitachi, Ltd. | 16113 |
1 |
| Hamilton Sundstrand Corporation | 5014 |
1 |
| NTN Corporation | 4915 |
1 |
| Danmarks Tekniske Universitet | 1029 |
1 |
| Exedy Corporation | 501 |
1 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2836 |
1 |
| National Chiao Tung University | 507 |
1 |
| Nidec Corporation | 2817 |
1 |
| UT-Battelle, LLC | 1511 |
1 |
| Francecol Technology | 8 |
1 |
| Electric Vehicle Systems and Technology Pty Ltd | 2 |
1 |
| Enedym Inc. | 74 |
1 |
| Eta Green Power Limited | 18 |
1 |
| Other owners | 3 |