- All sections
- H - Electricity
- H01F - Magnets; inductances; transformers; selection of materials for their magnetic properties
- H01F 41/06 - Coil winding
Patent holdings for IPC class H01F 41/06
Total number of patents in this class: 496
10-year publication summary
|
71
|
40
|
28
|
43
|
41
|
34
|
37
|
28
|
40
|
13
|
| 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 |
46 |
| Nittoku Engineering Co., Ltd. | 68 |
16 |
| ABB Technology AG | 1301 |
13 |
| Siemens AG | 24990 |
11 |
| Taiyo Yuden Co., Ltd. | 1809 |
10 |
| Hitachi Energy Ltd. | 1921 |
10 |
| Haihong Electric Co., Ltd. | 37 |
9 |
| Sumida Corporation | 291 |
9 |
| Robert Bosch GmbH | 40953 |
7 |
| Mitsubishi Electric Corporation | 43934 |
7 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13301 |
7 |
| Guangdong Tritype Electric Co., Ltd. | 10 |
6 |
| Sumitomo Electric Industries, Ltd. | 14131 |
5 |
| Sumitomo Wiring Systems, Ltd. | 9367 |
5 |
| Cyntec Co., Ltd. | 232 |
5 |
| AutoNetworks Technologies, Ltd. | 5809 |
5 |
| Btsr International S.p.A. | 78 |
5 |
| SHT Corporation Limited | 43 |
5 |
| General Electric Company | 18133 |
4 |
| Honda Motor Co., Ltd. | 24537 |
4 |
| Other owners | 307 |