- All sections
- H - Electricity
- H01F - Magnetsinductancestransformersselection of materials for their magnetic properties
- H01F 41/00 - 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
Patent holdings for IPC class H01F 41/00
Total number of patents in this class: 672
10-year publication summary
|
44
|
44
|
41
|
49
|
39
|
50
|
45
|
44
|
38
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 25506 |
29 |
| Mitsubishi Electric Corporation | 47556 |
24 |
| JFE Steel Corporation | 7339 |
21 |
| Hengdian Group Dmegc Magnetics Co., Ltd | 182 |
14 |
| Toyota Motor Corporation | 34545 |
13 |
| ShenZhen Sunlord Electronics Co., Ltd. | 78 |
11 |
| Sumida Corporation | 334 |
10 |
| Hitachi Energy Ltd. | 2461 |
10 |
| Apple Inc. | 58049 |
8 |
| Cyntec Co., Ltd. | 267 |
8 |
| Sumitomo Electric Industries, Ltd. | 16071 |
7 |
| Hitachi, Ltd. | 15881 |
7 |
| Texas Instruments Incorporated | 19615 |
7 |
| Nucurrent, Inc. | 382 |
7 |
| Siemens AG | 24236 |
6 |
| Hitachi Metals, Ltd. | 1922 |
6 |
| Samsung Electro-mechanics Co., Ltd. | 5833 |
6 |
| Sumitomo Wiring Systems, Ltd. | 10767 |
6 |
| University of Florida Research Foundation, Inc. | 4140 |
6 |
| Witricity AI Tech, LLC | 412 |
6 |
| Other owners | 460 |