- 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: 1027
10-year publication summary
|
81
|
128
|
133
|
92
|
78
|
96
|
77
|
66
|
58
|
19
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 25552 |
66 |
| Hitachi Energy Ltd. | 2502 |
50 |
| TDK Corporation | 6813 |
26 |
| ABB Schweiz AG | 7460 |
24 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 22633 |
22 |
| Siemens AG | 24199 |
21 |
| Intel Corporation | 46681 |
19 |
| Siemens Energy Global GmbH & Co. KG | 3261 |
19 |
| Realtek Semiconductor Corp. | 3432 |
18 |
| Rohm Co., Ltd. | 6757 |
14 |
| Delta Electronics (Shanghai) Co., Ltd. | 756 |
14 |
| Sumitomo Electric Industries, Ltd. | 16113 |
13 |
| ABB Technology AG | 1233 |
13 |
| Maschinenfabrik Reinhausen GmbH | 747 |
13 |
| Sumitomo Wiring Systems, Ltd. | 10788 |
12 |
| AutoNetworks Technologies, Ltd. | 6941 |
12 |
| Texas Instruments Incorporated | 19638 |
11 |
| Samsung Electro-mechanics Co., Ltd. | 5875 |
11 |
| Delta Electronics, Inc. | 2782 |
8 |
| Eaton Intelligent Power Limited | 6162 |
8 |
| Other owners | 633 |