- All sections
- H - Electricity
- H01F - Magnetsinductancestransformersselection of materials for their magnetic properties
- H01F 27/26 - Fastening parts of the core togetherFastening or mounting the core on casing or support
Patent holdings for IPC class H01F 27/26
Total number of patents in this class: 1129
10-year publication summary
|
67
|
64
|
100
|
107
|
99
|
124
|
112
|
106
|
103
|
43
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Wiring Systems, Ltd. | 10261 |
54 |
| Sumitomo Electric Industries, Ltd. | 15344 |
53 |
| AutoNetworks Technologies, Ltd. | 6515 |
52 |
| Murata Manufacturing Co., Ltd. | 24342 |
50 |
| TDK Corporation | 6674 |
35 |
| Delta Electronics, Inc. | 2583 |
33 |
| FANUC Corporation | 6586 |
28 |
| Hitachi Energy Ltd. | 2180 |
27 |
| Tamura Corporation | 356 |
24 |
| LG Innotek Co., Ltd. | 7536 |
19 |
| CTM Magnetics, Inc. | 44 |
18 |
| Siemens AG | 24561 |
17 |
| Delta Electronics (Shanghai) Co., Ltd. | 695 |
17 |
| Mitsubishi Electric Corporation | 45811 |
16 |
| Eaton Intelligent Power Limited | 5955 |
14 |
| Sumida Corporation | 320 |
13 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1451 |
12 |
| ABB Technology AG | 1256 |
11 |
| Taiyo Yuden Co., Ltd. | 1918 |
10 |
| Murata Power Solutions | 69 |
10 |
| Other owners | 616 |