- 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: 1193
10-year publication summary
|
64
|
100
|
107
|
99
|
124
|
116
|
107
|
104
|
76
|
25
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Wiring Systems, Ltd. | 10798 |
55 |
| Sumitomo Electric Industries, Ltd. | 16126 |
54 |
| AutoNetworks Technologies, Ltd. | 6951 |
53 |
| Murata Manufacturing Co., Ltd. | 25566 |
52 |
| Delta Electronics, Inc. | 2787 |
39 |
| TDK Corporation | 6814 |
37 |
| FANUC Corporation | 7056 |
28 |
| Hitachi Energy Ltd. | 2506 |
27 |
| Tamura Corporation | 357 |
24 |
| Delta Electronics (Shanghai) Co., Ltd. | 757 |
20 |
| LG Innotek Co., Ltd. | 8219 |
19 |
| Siemens AG | 24189 |
17 |
| Mitsubishi Electric Corporation | 47655 |
16 |
| Sumida Corporation | 332 |
15 |
| CTM Magnetics, Inc. | 23 |
14 |
| Eaton Intelligent Power Limited | 6170 |
14 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1521 |
12 |
| Cyntec Co., Ltd. | 273 |
11 |
| ABB Technology AG | 1233 |
11 |
| Robert Bosch GmbH | 43646 |
10 |
| Other owners | 665 |