- 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: 1003
10-year publication summary
|
75
|
92
|
86
|
57
|
66
|
71
|
83
|
83
|
70
|
44
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 25722 |
299 |
| TDK Corporation | 6855 |
51 |
| Mitsubishi Electric Corporation | 47971 |
41 |
| Panasonic Intellectual Property Management Co., Ltd. | 33911 |
21 |
| Hitachi Energy Ltd. | 2568 |
16 |
| Samsung Electro-mechanics Co., Ltd. | 6073 |
10 |
| Rohm Co., Ltd. | 6824 |
10 |
| Intel Corporation | 47102 |
9 |
| Sumitomo Electric Industries, Ltd. | 16305 |
8 |
| International Business Machines Corporation | 62621 |
7 |
| LG Innotek Co., Ltd. | 8453 |
7 |
| Sumida Corporation | 332 |
7 |
| Taiyo Yuden Co., Ltd. | 2030 |
7 |
| Samsung Electronics Co., Ltd. | 157557 |
6 |
| Sumitomo Wiring Systems, Ltd. | 10987 |
6 |
| ABB Technology AG | 1224 |
6 |
| AutoNetworks Technologies, Ltd. | 7089 |
6 |
| Delta Electronics (Shanghai) Co., Ltd. | 767 |
6 |
| Siemens AG | 24033 |
5 |
| Ericsson | 22660 |
5 |
| Other owners | 470 |