- All sections
- H - Electricity
- H01F - Magnetsinductancestransformersselection of materials for their magnetic properties
- H01F 41/06 - Coil winding
Patent holdings for IPC class H01F 41/06
Total number of patents in this class: 523
10-year publication summary
|
40
|
27
|
43
|
39
|
33
|
39
|
27
|
40
|
22
|
27
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 24971 |
49 |
| Nittoku Engineering Co., Ltd. | 66 |
16 |
| ABB Technology AG | 1246 |
13 |
| Siemens AG | 24337 |
10 |
| Hitachi Energy Ltd. | 2320 |
10 |
| Haihong Electric Co., Ltd. | 43 |
9 |
| Sumida Corporation | 334 |
9 |
| Taiyo Yuden Co., Ltd. | 1985 |
9 |
| Mitsubishi Electric Corporation | 46870 |
7 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12680 |
7 |
| Robert Bosch GmbH | 43034 |
6 |
| TDK Corporation | 6887 |
6 |
| Guangdong Tritype Electric Co., Ltd. | 14 |
6 |
| Sumitomo Electric Industries, Ltd. | 15750 |
5 |
| Sumitomo Wiring Systems, Ltd. | 10555 |
5 |
| Cyntec Co., Ltd. | 260 |
5 |
| AutoNetworks Technologies, Ltd. | 6739 |
5 |
| Btsr International S.p.A. | 78 |
5 |
| SHT Corporation Limited | 44 |
5 |
| Texas Instruments Incorporated | 19493 |
4 |
| Other owners | 332 |