- All sections
- H - Electricity
- H01F - Magnetsinductancestransformersselection of materials for their magnetic properties
- H01F 1/34 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
Patent holdings for IPC class H01F 1/34
Total number of patents in this class: 766
10-year publication summary
|
46
|
43
|
69
|
69
|
80
|
76
|
66
|
53
|
48
|
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. | 25590 |
73 |
| FUJIFILM Corporation | 30327 |
38 |
| Rogers Corporation | 508 |
37 |
| Toda Kogyo Corporation | 342 |
37 |
| TDK Corporation | 6821 |
32 |
| Skyworks Solutions, Inc. | 3900 |
32 |
| Powdertech Co., Ltd. | 138 |
29 |
| JFE Chemical Corporation | 120 |
25 |
| Hitachi Metals, Ltd. | 1916 |
21 |
| Hengdian Group Dmegc Magnetics Co., Ltd | 185 |
21 |
| Kyocera Corporation | 14278 |
16 |
| LG Innotek Co., Ltd. | 8264 |
15 |
| Allumax TTI, LLC | 49 |
13 |
| Dowa Electronics Materials Co., Ltd. | 636 |
11 |
| JFE Steel Corporation | 7407 |
11 |
| Samsung Electro-mechanics Co., Ltd. | 5944 |
10 |
| Trans-tech, Inc. | 30 |
10 |
| Samsung Electronics Co., Ltd. | 155224 |
9 |
| TDG Holding Co., Ltd. | 28 |
8 |
| Taiyo Yuden Co., Ltd. | 2020 |
7 |
| Other owners | 311 |