- 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: 935
10-year publication summary
|
72
|
74
|
90
|
86
|
56
|
66
|
71
|
80
|
81
|
50
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 24575 |
283 |
| TDK Corporation | 6750 |
43 |
| Mitsubishi Electric Corporation | 46160 |
39 |
| Panasonic Intellectual Property Management Co., Ltd. | 31515 |
16 |
| Hitachi Energy Ltd. | 2233 |
14 |
| Samsung Electro-mechanics Co., Ltd. | 5620 |
10 |
| Rohm Co., Ltd. | 6462 |
10 |
| Intel Corporation | 47013 |
9 |
| International Business Machines Corporation | 61287 |
7 |
| Sumitomo Electric Industries, Ltd. | 15511 |
7 |
| LG Innotek Co., Ltd. | 7659 |
7 |
| Sumida Corporation | 326 |
7 |
| Taiyo Yuden Co., Ltd. | 1939 |
7 |
| Samsung Electronics Co., Ltd. | 146534 |
6 |
| ABB Technology AG | 1254 |
6 |
| Siemens Energy Global GmbH & Co. KG | 2974 |
6 |
| Siemens AG | 24461 |
5 |
| Ericsson | 21778 |
5 |
| Yazaki Corporation | 6700 |
5 |
| Sumitomo Wiring Systems, Ltd. | 10376 |
5 |
| Other owners | 438 |