- All sections
- H - Electricity
- H01F - Magnets; inductances; transformers; selection 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: 716
10-year publication summary
|
27
|
43
|
47
|
74
|
100
|
70
|
74
|
65
|
63
|
12
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Metals, Ltd. | 2175 |
80 |
| TDK Corporation | 6306 |
74 |
| Proterial, Ltd. | 638 |
42 |
| Murata Manufacturing Co., Ltd. | 22355 |
37 |
| JFE Steel Corporation | 6067 |
27 |
| Vacuumschmelze GmbH & Co. KG | 253 |
24 |
| Alps Alpine Co., Ltd. | 1831 |
24 |
| TOKIN Corporation | 199 |
23 |
| Seiko Epson Corporation | 18724 |
20 |
| Metglas, Inc. | 44 |
20 |
| Toshiba Materials Co., Ltd. | 600 |
15 |
| 3m Innovative Properties Company | 18406 |
14 |
| Samsung Electro-mechanics Co., Ltd. | 4798 |
14 |
| Toshiba Corporation | 12017 |
11 |
| Alps Electric Co., Ltd. | 851 |
11 |
| Toyota Motor Corporation | 28582 |
10 |
| Taiyo Yuden Co., Ltd. | 1809 |
10 |
| Amosense Co., Ltd. | 433 |
9 |
| Nippon Steel Corporation | 5649 |
9 |
| Tohoku Magnet Institute Co., Ltd. | 28 |
9 |
| Other owners | 233 |