- All sections
- H - Electricity
- H01F - Magnetsinductancestransformersselection of materials for their magnetic properties
- H01F 41/18 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates by cathode sputtering
Patent holdings for IPC class H01F 41/18
Total number of patents in this class: 159
10-year publication summary
|
13
|
13
|
10
|
11
|
12
|
10
|
6
|
11
|
5
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JX Nippon Mining & Metals Corporation | 1488 |
34 |
| Canon Anelva Corporation | 686 |
12 |
| SANYO Special Steel Co., Ltd. | 222 |
9 |
| Tanaka Kikinzoku Kogyo K.K. | 583 |
8 |
| Tohoku University | 2785 |
7 |
| Hitachi Metals, Ltd. | 1983 |
6 |
| ULVAC, Inc. | 1379 |
5 |
| Beijing Naura Microelectronics Equipment Co., Ltd. | 597 |
5 |
| JX Advanced Metals Corporation | 117 |
5 |
| Panasonic Intellectual Property Management Co., Ltd. | 31475 |
4 |
| JX Metals Corporation | 115 |
4 |
| TDK Corporation | 6748 |
3 |
| Tokyo Electron Limited | 12733 |
2 |
| Seagate Technology LLC | 3967 |
2 |
| Headway Technologies, Inc. | 694 |
2 |
| Konica Minolta, Inc. | 8742 |
2 |
| Showa Denko K.K. | 2226 |
2 |
| Alps Electric Co., Ltd. | 809 |
2 |
| Japan Science and Technology Agency | 1321 |
2 |
| Evatec AG | 152 |
2 |
| Other owners | 41 |