- All sections
- H - Electricity
- H01F - Magnetsinductancestransformersselection of materials for their magnetic properties
- H01F 27/40 - Structural association with built-in electric component, e.g. fuse
Patent holdings for IPC class H01F 27/40
Total number of patents in this class: 974
10-year publication summary
|
61
|
81
|
128
|
133
|
92
|
78
|
94
|
77
|
64
|
32
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 24478 |
65 |
| Hitachi Energy Ltd. | 2198 |
46 |
| TDK Corporation | 6713 |
25 |
| ABB Schweiz AG | 6942 |
24 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 20875 |
22 |
| Siemens AG | 24518 |
20 |
| Intel Corporation | 46960 |
18 |
| Realtek Semiconductor Corp. | 3281 |
17 |
| Siemens Energy Global GmbH & Co. KG | 2944 |
16 |
| Sumitomo Electric Industries, Ltd. | 15443 |
13 |
| Rohm Co., Ltd. | 6433 |
13 |
| ABB Technology AG | 1256 |
13 |
| Delta Electronics (Shanghai) Co., Ltd. | 710 |
13 |
| Sumitomo Wiring Systems, Ltd. | 10316 |
12 |
| AutoNetworks Technologies, Ltd. | 6560 |
12 |
| Samsung Electro-mechanics Co., Ltd. | 5605 |
11 |
| Maschinenfabrik Reinhausen GmbH | 744 |
11 |
| Texas Instruments Incorporated | 19479 |
9 |
| Toyota Motor Corporation | 31903 |
7 |
| Robert Bosch GmbH | 42647 |
7 |
| Other owners | 600 |