- All sections
- H - Electricity
- H01F - Magnetsinductancestransformersselection 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: 740
10-year publication summary
|
75
|
79
|
81
|
90
|
70
|
82
|
67
|
54
|
57
|
39
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 6843 |
142 |
| JFE Steel Corporation | 7508 |
72 |
| Murata Manufacturing Co., Ltd. | 25722 |
35 |
| Samsung Electro-mechanics Co., Ltd. | 6073 |
19 |
| Siemens AG | 24033 |
16 |
| TDK Corporation | 6855 |
15 |
| FANUC Corporation | 7201 |
13 |
| Taiyo Yuden Co., Ltd. | 2030 |
13 |
| Hitachi Energy Ltd. | 2568 |
12 |
| Hitachi, Ltd. | 16071 |
11 |
| Safran Electrical & Power | 766 |
9 |
| Mitsubishi Electric Corporation | 47971 |
8 |
| ABB Technology AG | 1224 |
8 |
| POSCO Co., Ltd. | 2006 |
8 |
| Hitachi Metals, Ltd. | 1900 |
7 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1538 |
7 |
| Rompower Technology Holdings, LLC | 50 |
7 |
| Siemens Energy Global GmbH & Co. KG | 3335 |
7 |
| Samsung Electronics Co., Ltd. | 157557 |
6 |
| Kabushiki Kaisha Riken | 305 |
6 |
| Other owners | 319 |