- All sections
- H - Electricity
- H01F - Magnets; inductances; transformers; selection of materials for their magnetic properties
- H01F 41/04 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets for manufacturing coils
Patent holdings for IPC class H01F 41/04
Total number of patents in this class: 2430
10-year publication summary
216
|
221
|
306
|
325
|
291
|
263
|
197
|
170
|
166
|
2
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Murata Manufacturing Co., Ltd. | 23609 |
496 |
Samsung Electro-mechanics Co., Ltd. | 5178 |
239 |
TDK Corporation | 6517 |
108 |
Taiyo Yuden Co., Ltd. | 1887 |
67 |
Intel Corporation | 46091 |
57 |
Taiwan Semiconductor Manufacturing Company, Ltd. | 40493 |
55 |
Qualcomm Incorporated | 81327 |
50 |
International Business Machines Corporation | 60067 |
34 |
Panasonic Intellectual Property Management Co., Ltd. | 29567 |
32 |
Texas Instruments Incorporated | 19403 |
31 |
Nitto Denko Corporation | 8069 |
22 |
Massachusetts Institute of Technology | 9903 |
20 |
Siemens AG | 24575 |
18 |
Moda-innochips Co., Ltd. | 99 |
17 |
Shinko Electric Industries Co., Ltd. | 1186 |
16 |
Ferric Inc. | 51 |
16 |
Tokamak Energy Ltd | 179 |
16 |
Sumitomo Electric Industries, Ltd. | 14914 |
15 |
Nucurrent, Inc. | 331 |
15 |
Commonwealth Fusion Systems LLC | 72 |
14 |
Other owners | 1092 |