- All sections
- H - Electricity
- H01F - Magnets; inductances; transformers; selection of materials for their magnetic properties
- H01F 27/245 - Magnetic cores made from sheets, e.g. grain-oriented
Patent holdings for IPC class H01F 27/245
Total number of patents in this class: 598
10-year publication summary
|
30
|
36
|
75
|
79
|
81
|
91
|
70
|
73
|
63
|
14
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 5649 |
91 |
| JFE Steel Corporation | 6067 |
49 |
| Murata Manufacturing Co., Ltd. | 22355 |
33 |
| Siemens AG | 24990 |
17 |
| Samsung Electro-mechanics Co., Ltd. | 4798 |
17 |
| FANUC Corporation | 5803 |
14 |
| TDK Corporation | 6306 |
12 |
| Taiyo Yuden Co., Ltd. | 1809 |
12 |
| Hitachi, Ltd. | 16452 |
10 |
| ABB Technology AG | 1301 |
10 |
| Mitsubishi Electric Corporation | 43934 |
8 |
| Siemens Energy Global GmbH & Co. KG | 2775 |
8 |
| Hitachi Energy Ltd. | 1921 |
8 |
| Hitachi Metals, Ltd. | 2175 |
7 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1334 |
7 |
| Samsung Electronics Co., Ltd. | 131630 |
6 |
| Safran Electrical & Power | 507 |
6 |
| Delta Electronics, Inc. | 2401 |
5 |
| Baoshan Iron & Steel Co., Ltd. | 832 |
5 |
| Toshiba Industrial Products and Systems Corporation | 74 |
5 |
| Other owners | 268 |