- 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: 496
10-year publication summary
|
60
|
60
|
65
|
28
|
23
|
27
|
25
|
27
|
37
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| TDK Corporation | 7038 |
33 |
| Murata Manufacturing Co., Ltd. | 26053 |
20 |
| Samsung Electro-mechanics Co., Ltd. | 6207 |
15 |
| Cyntec Co., Ltd. | 280 |
14 |
| Robert Bosch GmbH | 44445 |
11 |
| Delta Electronics, Inc. | 2880 |
8 |
| Sumitomo Electric Industries, Ltd. | 16447 |
7 |
| Delta Electronics (Shanghai) Co., Ltd. | 780 |
7 |
| TDK Electronics AG | 1026 |
7 |
| Cooper Technologies Company | 615 |
6 |
| Delta Electronics (Thailand) Public Co., Ltd. | 107 |
6 |
| Vacuumschmelze GmbH & Co. KG | 257 |
6 |
| Mitsubishi Electric Corporation | 48546 |
5 |
| Sumitomo Wiring Systems, Ltd. | 11278 |
5 |
| AutoNetworks Technologies, Ltd. | 7333 |
5 |
| Valeo Systemes de Controle Moteur | 572 |
5 |
| Vicor Corporation | 130 |
5 |
| Eaton Intelligent Power Limited | 6306 |
5 |
| Apple Inc. | 59562 |
4 |
| Siemens AG | 23948 |
4 |
| Other owners | 318 |