- All sections
- H - Electricity
- H01F - Magnets; inductances; transformers; selection of materials for their magnetic properties
- H01F 27/30 - Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
Patent holdings for IPC class H01F 27/30
Total number of patents in this class: 1610
10-year publication summary
115
|
107
|
87
|
152
|
161
|
137
|
116
|
116
|
191
|
62
|
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 |
83 |
TDK Corporation | 6306 |
64 |
Delta Electronics, Inc. | 2401 |
55 |
Sumitomo Electric Industries, Ltd. | 14131 |
42 |
Sumitomo Wiring Systems, Ltd. | 9367 |
40 |
AutoNetworks Technologies, Ltd. | 5809 |
38 |
Samsung Electro-mechanics Co., Ltd. | 4798 |
35 |
Hitachi Energy Ltd. | 1921 |
31 |
Sumida Corporation | 291 |
27 |
LG Innotek Co., Ltd. | 6758 |
26 |
Mitsubishi Electric Corporation | 43934 |
24 |
Siemens AG | 24990 |
21 |
Denso Corporation | 23338 |
21 |
Delta Electronics (Shanghai) Co., Ltd. | 611 |
21 |
FANUC Corporation | 5803 |
20 |
Toyota Motor Corporation | 28582 |
17 |
Solum Co., Ltd. | 123 |
17 |
Taiyo Yuden Co., Ltd. | 1809 |
17 |
CTM Magnetics, Inc. | 45 |
16 |
Siemens Energy Global GmbH & Co. KG | 2775 |
16 |
Other owners | 979 |