- All sections
- H - Electricity
- H01F - Magnetsinductancestransformersselection of materials for their magnetic properties
- H01F 1/153 - Amorphous metallic alloys, e.g. glassy metals
Patent holdings for IPC class H01F 1/153
Total number of patents in this class: 755
10-year publication summary
|
43
|
47
|
75
|
101
|
72
|
76
|
65
|
65
|
49
|
20
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Metals, Ltd. | 1988 |
77 |
| TDK Corporation | 6689 |
75 |
| Proterial, Ltd. | 834 |
47 |
| Murata Manufacturing Co., Ltd. | 24409 |
38 |
| TOKIN Corporation | 205 |
26 |
| JFE Steel Corporation | 6806 |
25 |
| Seiko Epson Corporation | 19296 |
24 |
| Vacuumschmelze GmbH & Co. KG | 261 |
24 |
| Metglas, Inc. | 48 |
20 |
| Samsung Electro-mechanics Co., Ltd. | 5560 |
18 |
| Delta Electronics (Japan), Inc. | 36 |
17 |
| 3m Innovative Properties Company | 17853 |
16 |
| Toshiba Materials Co., Ltd. | 664 |
14 |
| Alps Alpine Co., Ltd. | 2064 |
13 |
| Qingdao Yunlu Advanced Materials Technology Co., Ltd. | 41 |
12 |
| Toyota Motor Corporation | 31693 |
11 |
| Nippon Steel Corporation | 6195 |
11 |
| Taiyo Yuden Co., Ltd. | 1927 |
11 |
| Toshiba Corporation | 12317 |
10 |
| Alps Electric Co., Ltd. | 814 |
10 |
| Other owners | 256 |