- All sections
- H - Electricity
- H01F - Magnetsinductancestransformersselection 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: 487
10-year publication summary
|
29
|
60
|
58
|
64
|
28
|
23
|
26
|
21
|
25
|
34
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| TDK Corporation | 6749 |
33 |
| Murata Manufacturing Co., Ltd. | 25092 |
20 |
| Samsung Electro-mechanics Co., Ltd. | 5714 |
15 |
| Cyntec Co., Ltd. | 260 |
14 |
| Robert Bosch GmbH | 43116 |
11 |
| Delta Electronics, Inc. | 2697 |
8 |
| Sumitomo Electric Industries, Ltd. | 15823 |
7 |
| Delta Electronics (Shanghai) Co., Ltd. | 735 |
7 |
| Cooper Technologies Company | 622 |
6 |
| Delta Electronics (Thailand) Public Co., Ltd. | 93 |
6 |
| Vacuumschmelze GmbH & Co. KG | 258 |
6 |
| TDK Electronics AG | 978 |
6 |
| Mitsubishi Electric Corporation | 47065 |
5 |
| Sumitomo Wiring Systems, Ltd. | 10590 |
5 |
| AutoNetworks Technologies, Ltd. | 6775 |
5 |
| Valeo Systemes de Controle Moteur | 600 |
5 |
| Eaton Intelligent Power Limited | 6076 |
5 |
| Apple Inc. | 56571 |
4 |
| Siemens AG | 24303 |
4 |
| LG Electronics Inc. | 73936 |
4 |
| Other owners | 311 |