- 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: 841
10-year publication summary
|
78
|
72
|
71
|
61
|
53
|
52
|
49
|
61
|
45
|
28
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 25998 |
99 |
| Kitagawa Industries Co., Ltd. | 212 |
34 |
| Mitsubishi Electric Corporation | 48460 |
18 |
| Sumitomo Electric Industries, Ltd. | 16437 |
16 |
| Sumitomo Wiring Systems, Ltd. | 11236 |
15 |
| LG Innotek Co., Ltd. | 8621 |
14 |
| Delta Electronics, Inc. | 2872 |
14 |
| Hamilton Sundstrand Corporation | 5013 |
13 |
| AutoNetworks Technologies, Ltd. | 7295 |
13 |
| TDK Corporation | 7043 |
12 |
| TDK Electronics AG | 1024 |
12 |
| Hitachi Metals, Ltd. | 1813 |
11 |
| Robert Bosch GmbH | 44398 |
11 |
| Yazaki Corporation | 7168 |
11 |
| SHT Corporation Limited | 46 |
11 |
| ABB Schweiz AG | 7761 |
10 |
| Nitto Denko Corporation | 8640 |
9 |
| Panasonic Intellectual Property Management Co., Ltd. | 34623 |
9 |
| Delta Electronics (Shanghai) Co., Ltd. | 777 |
9 |
| Samsung Electronics Co., Ltd. | 159473 |
8 |
| Other owners | 492 |