- All sections
- H - Electricity
- H01F - Magnets; inductances; transformers; selection of materials for their magnetic properties
- H01F 7/121 - Guiding or setting position of armatures, e.g. retaining armatures in their end position
Patent holdings for IPC class H01F 7/121
Total number of patents in this class: 118
10-year publication summary
|
15
|
11
|
21
|
14
|
10
|
9
|
6
|
12
|
8
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shenzhen Shokz Co., Ltd. | 629 |
9 |
| ETO Magnetic GmbH | 247 |
8 |
| Mitsubishi Electric Corporation | 43934 |
6 |
| Robert Bosch GmbH | 40953 |
5 |
| Flextronics Automotive, Inc. | 25 |
5 |
| MAHLE International GmbH | 2670 |
5 |
| KYB Corporation | 1278 |
4 |
| Hitachi Automotive Systems, Ltd. | 3970 |
3 |
| Denso Corporation | 23338 |
3 |
| Hitachi Metals, Ltd. | 2175 |
2 |
| ZF Friedrichshafen AG | 6820 |
2 |
| Schaeffler Technologies AG & Co. KG | 8880 |
2 |
| Omron Healthcare Co., Ltd. | 1806 |
2 |
| BorgWarner Inc. | 2604 |
2 |
| Goodrich Actuation Systems SAS | 134 |
2 |
| Harmonic Drive Systems Inc. | 465 |
2 |
| Litens Automotive Partnership | 337 |
2 |
| Lord Corporation | 484 |
2 |
| Mikuni Corporation | 332 |
2 |
| Otis Elevator Company | 2677 |
2 |
| Other owners | 48 |