- 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: 1020
10-year publication summary
|
79
|
124
|
127
|
87
|
75
|
93
|
70
|
66
|
55
|
13
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 25252 |
65 |
| Hitachi Energy Ltd. | 2405 |
49 |
| TDK Corporation | 6779 |
26 |
| ABB Schweiz AG | 7313 |
24 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 22119 |
22 |
| Siemens AG | 24278 |
21 |
| Intel Corporation | 46569 |
19 |
| Siemens Energy Global GmbH & Co. KG | 3166 |
19 |
| Realtek Semiconductor Corp. | 3386 |
18 |
| Rohm Co., Ltd. | 6678 |
14 |
| Delta Electronics (Shanghai) Co., Ltd. | 742 |
14 |
| Sumitomo Electric Industries, Ltd. | 15967 |
13 |
| ABB Technology AG | 1236 |
13 |
| Sumitomo Wiring Systems, Ltd. | 10702 |
12 |
| AutoNetworks Technologies, Ltd. | 6868 |
12 |
| Maschinenfabrik Reinhausen GmbH | 745 |
12 |
| Texas Instruments Incorporated | 19542 |
11 |
| Samsung Electro-mechanics Co., Ltd. | 5756 |
11 |
| Delta Electronics, Inc. | 2731 |
8 |
| Toyota Motor Corporation | 33951 |
7 |
| Other owners | 630 |