- All sections
- H - Electricity
- H01F - Magnets; inductances; transformers; selection 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: 909
10-year publication summary
|
63
|
61
|
81
|
128
|
133
|
92
|
77
|
94
|
72
|
14
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 22355 |
59 |
| Hitachi Energy Ltd. | 1921 |
50 |
| ABB Schweiz AG | 6321 |
23 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 18739 |
23 |
| TDK Corporation | 6306 |
21 |
| Siemens AG | 24990 |
20 |
| Intel Corporation | 45621 |
18 |
| Siemens Energy Global GmbH & Co. KG | 2775 |
18 |
| Realtek Semiconductor Corp. | 3028 |
17 |
| Sumitomo Electric Industries, Ltd. | 14131 |
13 |
| ABB Technology AG | 1301 |
13 |
| Samsung Electro-mechanics Co., Ltd. | 4798 |
12 |
| Sumitomo Wiring Systems, Ltd. | 9367 |
12 |
| AutoNetworks Technologies, Ltd. | 5809 |
12 |
| Delta Electronics (Shanghai) Co., Ltd. | 611 |
12 |
| Rohm Co., Ltd. | 5843 |
11 |
| Maschinenfabrik Reinhausen GmbH | 749 |
11 |
| Toyota Motor Corporation | 28582 |
7 |
| Texas Instruments Incorporated | 19376 |
7 |
| Robert Bosch GmbH | 40953 |
7 |
| Other owners | 543 |