- 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: 479
10-year publication summary
|
29
|
60
|
58
|
64
|
28
|
23
|
26
|
21
|
24
|
26
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| TDK Corporation | 6796 |
31 |
| Murata Manufacturing Co., Ltd. | 24684 |
20 |
| Samsung Electro-mechanics Co., Ltd. | 5644 |
15 |
| Cyntec Co., Ltd. | 257 |
14 |
| Robert Bosch GmbH | 42784 |
11 |
| Delta Electronics, Inc. | 2633 |
8 |
| Sumitomo Electric Industries, Ltd. | 15576 |
7 |
| Delta Electronics (Shanghai) Co., Ltd. | 725 |
7 |
| Cooper Technologies Company | 629 |
6 |
| Delta Electronics (Thailand) Public Co., Ltd. | 91 |
6 |
| Vacuumschmelze GmbH & Co. KG | 261 |
6 |
| Mitsubishi Electric Corporation | 46346 |
5 |
| Sumitomo Wiring Systems, Ltd. | 10422 |
5 |
| AutoNetworks Technologies, Ltd. | 6635 |
5 |
| Valeo Systemes de Controle Moteur | 608 |
5 |
| Eaton Intelligent Power Limited | 6012 |
5 |
| Apple Inc. | 55345 |
4 |
| Siemens AG | 24421 |
4 |
| LG Electronics Inc. | 73476 |
4 |
| International Business Machines Corporation | 61402 |
4 |
| Other owners | 307 |