- All sections
- H - Electricity
- H04B - Transmission
- H04B 3/56 - Circuits for coupling, blocking, or by-passing of signals
Patent holdings for IPC class H04B 3/56
Total number of patents in this class: 649
10-year publication summary
|
91
|
75
|
85
|
84
|
66
|
41
|
30
|
17
|
18
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| AT&T Intellectual Property I, L.P. | 9550 |
179 |
| Crius Technology Group, Inc. | 22 |
14 |
| The Boeing Company | 20098 |
12 |
| Sumitomo Electric Industries, Ltd. | 15557 |
12 |
| Sony Corporation | 30979 |
11 |
| Texas Instruments Incorporated | 19450 |
11 |
| Sumitomo Wiring Systems, Ltd. | 10405 |
11 |
| AutoNetworks Technologies, Ltd. | 6623 |
11 |
| Qualcomm Incorporated | 86023 |
10 |
| Snap Inc. | 5923 |
10 |
| Huawei Technologies Co., Ltd. | 113340 |
9 |
| Rambus Inc. | 2372 |
8 |
| SolarEdge Technologies Ltd. | 626 |
8 |
| Mitsubishi Electric Corporation | 46295 |
7 |
| Panasonic Intellectual Property Management Co., Ltd. | 31696 |
7 |
| Samsung Electronics Co., Ltd. | 147131 |
6 |
| Denso Corporation | 24387 |
6 |
| STMicroelectronics S.r.l. | 3605 |
6 |
| Analog Devices International Unlimited Company | 1938 |
6 |
| Bayerische Motoren Werke Aktiengesellschaft | 14440 |
5 |
| Other owners | 300 |