- All sections
- H - Electricity
- H01F - Magnetsinductancestransformersselection of materials for their magnetic properties
- H01F 27/28 - CoilsWindingsConductive connections
Patent holdings for IPC class H01F 27/28
Total number of patents in this class: 9534
10-year publication summary
|
787
|
931
|
1052
|
929
|
855
|
845
|
695
|
698
|
655
|
368
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 25708 |
1148 |
| TDK Corporation | 6845 |
512 |
| Samsung Electro-mechanics Co., Ltd. | 6070 |
460 |
| Taiyo Yuden Co., Ltd. | 2027 |
178 |
| Sumitomo Electric Industries, Ltd. | 16303 |
137 |
| Delta Electronics, Inc. | 2827 |
120 |
| Sumitomo Wiring Systems, Ltd. | 10974 |
119 |
| AutoNetworks Technologies, Ltd. | 7079 |
116 |
| Intel Corporation | 47063 |
109 |
| Delta Electronics (Shanghai) Co., Ltd. | 767 |
108 |
| LG Innotek Co., Ltd. | 8427 |
105 |
| Realtek Semiconductor Corp. | 3502 |
105 |
| Mitsubishi Electric Corporation | 47943 |
102 |
| Cyntec Co., Ltd. | 276 |
92 |
| Qualcomm Incorporated | 91834 |
90 |
| Apple Inc. | 58621 |
86 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48214 |
85 |
| Panasonic Intellectual Property Management Co., Ltd. | 33845 |
85 |
| Texas Instruments Incorporated | 19653 |
81 |
| Samsung Electronics Co., Ltd. | 157300 |
80 |
| Other owners | 5616 |