- All sections
- H - Electricity
- H01F - Magnets; inductances; transformers; selection of materials for their magnetic properties
- H01F 3/10 - Composite arrangements of magnetic circuits
Patent holdings for IPC class H01F 3/10
Total number of patents in this class: 437
10-year publication summary
|
48
|
31
|
60
|
59
|
65
|
27
|
22
|
24
|
19
|
10
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| TDK Corporation | 6306 |
30 |
| Murata Manufacturing Co., Ltd. | 22355 |
16 |
| Samsung Electro-mechanics Co., Ltd. | 4798 |
14 |
| Cyntec Co., Ltd. | 232 |
14 |
| Robert Bosch GmbH | 40953 |
9 |
| Delta Electronics, Inc. | 2401 |
8 |
| Sumitomo Electric Industries, Ltd. | 14131 |
7 |
| Delta Electronics (Shanghai) Co., Ltd. | 611 |
7 |
| Cooper Technologies Company | 664 |
6 |
| Delta Electronics (Thailand) Public Co., Ltd. | 76 |
6 |
| Siemens AG | 24990 |
5 |
| International Business Machines Corporation | 60644 |
5 |
| Mitsubishi Electric Corporation | 43934 |
5 |
| Sumitomo Wiring Systems, Ltd. | 9367 |
5 |
| AutoNetworks Technologies, Ltd. | 5809 |
5 |
| Vacuumschmelze GmbH & Co. KG | 253 |
5 |
| Valeo Systemes de Controle Moteur | 614 |
5 |
| Eaton Intelligent Power Limited | 6113 |
5 |
| Apple Inc. | 50209 |
4 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
4 |
| Other owners | 272 |