- 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: 476
10-year publication summary
|
31
|
60
|
60
|
65
|
28
|
23
|
27
|
22
|
24
|
24
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| TDK Corporation | 6748 |
31 |
| Murata Manufacturing Co., Ltd. | 24542 |
20 |
| Samsung Electro-mechanics Co., Ltd. | 5618 |
15 |
| Cyntec Co., Ltd. | 256 |
14 |
| Robert Bosch GmbH | 42684 |
11 |
| Delta Electronics, Inc. | 2617 |
8 |
| Sumitomo Electric Industries, Ltd. | 15495 |
7 |
| Delta Electronics (Shanghai) Co., Ltd. | 715 |
7 |
| Cooper Technologies Company | 632 |
6 |
| Delta Electronics (Thailand) Public Co., Ltd. | 89 |
6 |
| Vacuumschmelze GmbH & Co. KG | 262 |
6 |
| Mitsubishi Electric Corporation | 46127 |
5 |
| Sumitomo Wiring Systems, Ltd. | 10363 |
5 |
| AutoNetworks Technologies, Ltd. | 6592 |
5 |
| Valeo Systemes de Controle Moteur | 609 |
5 |
| Eaton Intelligent Power Limited | 5989 |
5 |
| Apple Inc. | 54937 |
4 |
| Siemens AG | 24477 |
4 |
| LG Electronics Inc. | 73111 |
4 |
| International Business Machines Corporation | 61257 |
4 |
| Other owners | 304 |