- 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: 423
10-year publication summary
|
37
|
48
|
31
|
60
|
59
|
62
|
27
|
22
|
22
|
9
|
| 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| TDK Corporation | 6189 |
30 |
| Murata Manufacturing Co., Ltd. | 20675 |
14 |
| Samsung Electro-mechanics Co., Ltd. | 4499 |
14 |
| Cyntec Co., Ltd. | 218 |
14 |
| Robert Bosch GmbH | 40255 |
9 |
| Delta Electronics, Inc. | 2331 |
8 |
| Sumitomo Electric Industries, Ltd. | 13520 |
7 |
| Delta Electronics (Shanghai) Co., Ltd. | 557 |
7 |
| Delta Electronics (Thailand) Public Co., Ltd. | 70 |
7 |
| International Business Machines Corporation | 63228 |
6 |
| Cooper Technologies Company | 683 |
6 |
| Sumitomo Wiring Systems, Ltd. | 8773 |
5 |
| AutoNetworks Technologies, Ltd. | 5373 |
5 |
| Bombardier Primove GmbH | 114 |
5 |
| Vacuumschmelze GmbH & Co. KG | 254 |
5 |
| Valeo Systemes de Controle Moteur | 607 |
5 |
| Eaton Intelligent Power Limited | 5855 |
5 |
| Apple Inc. | 46297 |
4 |
| Toyota Motor Corporation | 28336 |
4 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10542 |
4 |
| Other owners | 259 |