- All sections
- H - Electricity
- H01F - Magnetsinductancestransformersselection 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: 814
10-year publication summary
|
76
|
71
|
70
|
61
|
53
|
52
|
48
|
58
|
44
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 25356 |
99 |
| Kitagawa Industries Co., Ltd. | 209 |
34 |
| Mitsubishi Electric Corporation | 47461 |
19 |
| LG Innotek Co., Ltd. | 8108 |
14 |
| Hamilton Sundstrand Corporation | 5010 |
14 |
| Delta Electronics, Inc. | 2760 |
13 |
| Sumitomo Electric Industries, Ltd. | 16017 |
12 |
| Hitachi Metals, Ltd. | 1931 |
11 |
| Robert Bosch GmbH | 43428 |
11 |
| TDK Corporation | 6796 |
11 |
| Sumitomo Wiring Systems, Ltd. | 10724 |
11 |
| SHT Corporation Limited | 46 |
11 |
| TDK Electronics AG | 995 |
11 |
| Yazaki Corporation | 6904 |
10 |
| ABB Schweiz AG | 7379 |
10 |
| Panasonic Intellectual Property Management Co., Ltd. | 33202 |
9 |
| AutoNetworks Technologies, Ltd. | 6891 |
9 |
| Cisco Technology, Inc. | 22238 |
8 |
| Infineon Technologies Austria AG | 2276 |
8 |
| Nitto Denko Corporation | 8422 |
8 |
| Other owners | 481 |