- 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: 1053
10-year publication summary
|
81
|
128
|
133
|
92
|
78
|
96
|
77
|
65
|
58
|
48
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 25809 |
66 |
| Hitachi Energy Ltd. | 2610 |
50 |
| TDK Corporation | 6910 |
26 |
| ABB Schweiz AG | 7665 |
24 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 23463 |
22 |
| Siemens AG | 23996 |
21 |
| Intel Corporation | 47178 |
19 |
| Siemens Energy Global GmbH & Co. KG | 3432 |
19 |
| Realtek Semiconductor Corp. | 3513 |
18 |
| Delta Electronics (Shanghai) Co., Ltd. | 772 |
16 |
| Rohm Co., Ltd. | 6877 |
14 |
| Sumitomo Electric Industries, Ltd. | 16448 |
13 |
| Texas Instruments Incorporated | 19640 |
13 |
| ABB Technology AG | 1221 |
13 |
| Maschinenfabrik Reinhausen GmbH | 527 |
13 |
| Sumitomo Wiring Systems, Ltd. | 11117 |
12 |
| AutoNetworks Technologies, Ltd. | 7192 |
12 |
| Samsung Electro-mechanics Co., Ltd. | 6126 |
11 |
| Eaton Intelligent Power Limited | 6268 |
9 |
| Toyota Motor Corporation | 35927 |
8 |
| Other owners | 654 |