- All sections
- H - Electricity
- H01F - Magnetsinductancestransformersselection of materials for their magnetic properties
- H01F 27/00 - Details of transformers or inductances, in general
Patent holdings for IPC class H01F 27/00
Total number of patents in this class: 932
10-year publication summary
|
71
|
72
|
89
|
85
|
54
|
65
|
70
|
79
|
81
|
48
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 24603 |
283 |
| TDK Corporation | 6761 |
43 |
| Mitsubishi Electric Corporation | 46197 |
39 |
| Panasonic Intellectual Property Management Co., Ltd. | 31562 |
16 |
| Hitachi Energy Ltd. | 2235 |
14 |
| Samsung Electro-mechanics Co., Ltd. | 5624 |
10 |
| Rohm Co., Ltd. | 6471 |
10 |
| Intel Corporation | 47033 |
9 |
| International Business Machines Corporation | 61305 |
7 |
| Sumitomo Electric Industries, Ltd. | 15529 |
7 |
| LG Innotek Co., Ltd. | 7667 |
7 |
| Sumida Corporation | 327 |
7 |
| Taiyo Yuden Co., Ltd. | 1939 |
7 |
| Samsung Electronics Co., Ltd. | 146811 |
6 |
| ABB Technology AG | 1254 |
6 |
| Siemens Energy Global GmbH & Co. KG | 2978 |
6 |
| Siemens AG | 24453 |
5 |
| Ericsson | 21804 |
5 |
| Yazaki Corporation | 6707 |
5 |
| Sumitomo Wiring Systems, Ltd. | 10383 |
5 |
| Other owners | 435 |