- All sections
- H - Electricity
- H01F - Magnetsinductancestransformersselection of materials for their magnetic properties
- H01F 27/30 - Fastening or clamping coils, windings, or parts thereof togetherFastening or mounting coils or windings on core, casing, or other support
Patent holdings for IPC class H01F 27/30
Total number of patents in this class: 1878
10-year publication summary
|
104
|
86
|
151
|
157
|
137
|
118
|
128
|
192
|
170
|
151
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 24928 |
101 |
| TDK Corporation | 6877 |
78 |
| Delta Electronics, Inc. | 2665 |
62 |
| Samsung Electro-mechanics Co., Ltd. | 5679 |
54 |
| Sumitomo Electric Industries, Ltd. | 15705 |
46 |
| Sumitomo Wiring Systems, Ltd. | 10527 |
45 |
| AutoNetworks Technologies, Ltd. | 6714 |
43 |
| LG Innotek Co., Ltd. | 7881 |
39 |
| Hitachi Energy Ltd. | 2313 |
31 |
| Delta Electronics (Shanghai) Co., Ltd. | 731 |
27 |
| Sumida Corporation | 332 |
27 |
| Denso Corporation | 24692 |
22 |
| Mitsubishi Electric Corporation | 46765 |
22 |
| Siemens AG | 24344 |
21 |
| FANUC Corporation | 6844 |
21 |
| Taiyo Yuden Co., Ltd. | 1979 |
18 |
| Huawei Technologies Co., Ltd. | 115187 |
17 |
| Solum Co., Ltd. | 162 |
17 |
| Siemens Energy Global GmbH & Co. KG | 3054 |
17 |
| Tamura Corporation | 357 |
16 |
| Other owners | 1154 |