- All sections
- H - Electricity
- H01F - Magnetsinductancestransformersselection of materials for their magnetic properties
- H01F 27/00 - Details of transformers or inductances, in general
Patent holdings for IPC class H01F 27/00
Total number of patents in this class: 979
10-year publication summary
|
72
|
89
|
85
|
54
|
65
|
70
|
81
|
83
|
68
|
20
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 25514 |
299 |
| TDK Corporation | 6807 |
47 |
| Mitsubishi Electric Corporation | 47602 |
39 |
| Panasonic Intellectual Property Management Co., Ltd. | 33507 |
19 |
| Hitachi Energy Ltd. | 2496 |
14 |
| Samsung Electro-mechanics Co., Ltd. | 5860 |
10 |
| Rohm Co., Ltd. | 6747 |
10 |
| Intel Corporation | 46680 |
9 |
| Sumitomo Electric Industries, Ltd. | 16091 |
8 |
| International Business Machines Corporation | 62220 |
7 |
| LG Innotek Co., Ltd. | 8182 |
7 |
| Sumida Corporation | 332 |
7 |
| Taiyo Yuden Co., Ltd. | 2014 |
7 |
| Samsung Electronics Co., Ltd. | 153845 |
6 |
| Sumitomo Wiring Systems, Ltd. | 10777 |
6 |
| ABB Technology AG | 1233 |
6 |
| AutoNetworks Technologies, Ltd. | 6931 |
6 |
| Siemens AG | 24200 |
5 |
| Ericsson | 22292 |
5 |
| Yazaki Corporation | 6963 |
5 |
| Other owners | 457 |