- 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: 1971
10-year publication summary
|
87
|
152
|
162
|
138
|
120
|
131
|
202
|
173
|
163
|
81
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 25744 |
107 |
| TDK Corporation | 6858 |
84 |
| Delta Electronics, Inc. | 2830 |
68 |
| Samsung Electro-mechanics Co., Ltd. | 6083 |
60 |
| Sumitomo Electric Industries, Ltd. | 16331 |
47 |
| Sumitomo Wiring Systems, Ltd. | 11005 |
46 |
| AutoNetworks Technologies, Ltd. | 7108 |
44 |
| LG Innotek Co., Ltd. | 8466 |
40 |
| Hitachi Energy Ltd. | 2579 |
35 |
| Delta Electronics (Shanghai) Co., Ltd. | 768 |
30 |
| Sumida Corporation | 333 |
26 |
| Denso Corporation | 25534 |
22 |
| Mitsubishi Electric Corporation | 48018 |
22 |
| FANUC Corporation | 7217 |
21 |
| Siemens AG | 24029 |
20 |
| Huawei Technologies Co., Ltd. | 123385 |
20 |
| Taiyo Yuden Co., Ltd. | 2029 |
19 |
| Siemens Energy Global GmbH & Co. KG | 3345 |
19 |
| Solum Co., Ltd. | 182 |
17 |
| Lite-On Technology Corporation | 892 |
15 |
| Other owners | 1209 |