- All sections
- H - Electricity
- H01F - Magnets; inductances; transformers; selection of materials for their magnetic properties
- H01F 17/06 - Fixed inductances of the signal type with magnetic core with core substantially closed in itself, e.g. toroid
Patent holdings for IPC class H01F 17/06
Total number of patents in this class: 740
10-year publication summary
|
74
|
72
|
78
|
72
|
71
|
61
|
51
|
47
|
46
|
16
|
| 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 |
89 |
| Kitagawa Industries Co., Ltd. | 205 |
32 |
| Mitsubishi Electric Corporation | 43934 |
20 |
| Hamilton Sundstrand Corporation | 4525 |
14 |
| LG Innotek Co., Ltd. | 6758 |
12 |
| Hitachi Metals, Ltd. | 2175 |
11 |
| TDK Corporation | 6306 |
11 |
| SHT Corporation Limited | 43 |
11 |
| TDK Electronics AG | 863 |
11 |
| Yazaki Corporation | 6282 |
10 |
| Delta Electronics, Inc. | 2401 |
10 |
| ABB Schweiz AG | 6321 |
10 |
| Sumitomo Electric Industries, Ltd. | 14131 |
9 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
8 |
| Sumitomo Wiring Systems, Ltd. | 9367 |
8 |
| Robert Bosch GmbH | 40953 |
7 |
| Cisco Technology, Inc. | 18858 |
7 |
| Infineon Technologies Austria AG | 1954 |
7 |
| Epcos AG | 778 |
7 |
| Nitto Denko Corporation | 7879 |
7 |
| Other owners | 439 |