- 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: 1216
10-year publication summary
|
64
|
100
|
107
|
99
|
124
|
116
|
108
|
105
|
76
|
44
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Wiring Systems, Ltd. | 11029 |
56 |
| Sumitomo Electric Industries, Ltd. | 16355 |
55 |
| AutoNetworks Technologies, Ltd. | 7130 |
54 |
| Murata Manufacturing Co., Ltd. | 25758 |
53 |
| Delta Electronics, Inc. | 2830 |
40 |
| TDK Corporation | 6876 |
38 |
| Hitachi Energy Ltd. | 2586 |
29 |
| FANUC Corporation | 7235 |
28 |
| Tamura Corporation | 358 |
25 |
| Delta Electronics (Shanghai) Co., Ltd. | 769 |
20 |
| LG Innotek Co., Ltd. | 8486 |
19 |
| Siemens AG | 24020 |
17 |
| Mitsubishi Electric Corporation | 48048 |
16 |
| Sumida Corporation | 336 |
16 |
| CTM Magnetics, Inc. | 22 |
14 |
| Eaton Intelligent Power Limited | 6257 |
13 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1544 |
12 |
| Cyntec Co., Ltd. | 277 |
11 |
| ABB Technology AG | 1224 |
11 |
| Robert Bosch GmbH | 44176 |
10 |
| Other owners | 679 |