- All sections
- H - Electricity
- H01F - Magnets; inductances; transformers; selection of materials for their magnetic properties
- H01F 41/08 - Winding conductors onto closed formers or cores, e.g. threading conductors through toroidal cores
Patent holdings for IPC class H01F 41/08
Total number of patents in this class: 111
10-year publication summary
|
16
|
10
|
11
|
13
|
13
|
9
|
6
|
6
|
8
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 22355 |
15 |
| RUFF GmbH | 18 |
6 |
| Delta Electronics (Shanghai) Co., Ltd. | 611 |
5 |
| SHT Corporation Limited | 43 |
4 |
| Hitachi Metals, Ltd. | 2175 |
3 |
| Epcos AG | 778 |
3 |
| Hamilton Sundstrand Corporation | 4525 |
3 |
| Delta Electronics (Jiangsu) Ltd. | 10 |
3 |
| Omicron Electronics GmbH | 259 |
3 |
| OTAKE, Tadashi | 3 |
3 |
| Taiho Products CO., Ltd. | 3 |
3 |
| Toyota Motor Corporation | 28582 |
2 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
2 |
| Thales SA | 2318 |
2 |
| Bel Fuse (Macao Commercial Offshore) Limited | 39 |
2 |
| Premo S.L. | 31 |
2 |
| Vacuumschmelze GmbH & Co. KG | 253 |
2 |
| TDK Electronics AG | 863 |
2 |
| Thales | 1854 |
2 |
| Zhongshan Competent Automation Equipment Co.,Ltd. | 2 |
2 |
| Other owners | 42 |