- 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: 656
10-year publication summary
|
111
|
78
|
87
|
88
|
67
|
42
|
30
|
18
|
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. | 9470 |
179 |
| Crius Technology Group, Inc. | 22 |
14 |
| The Boeing Company | 20013 |
12 |
| Sumitomo Electric Industries, Ltd. | 15344 |
12 |
| Sony Corporation | 31148 |
11 |
| Texas Instruments Incorporated | 19487 |
11 |
| Sumitomo Wiring Systems, Ltd. | 10261 |
11 |
| AutoNetworks Technologies, Ltd. | 6515 |
11 |
| Qualcomm Incorporated | 84501 |
10 |
| Snap Inc. | 5707 |
10 |
| Huawei Technologies Co., Ltd. | 110995 |
9 |
| Mitsubishi Electric Corporation | 45811 |
8 |
| Rambus Inc. | 2354 |
8 |
| SolarEdge Technologies Ltd. | 621 |
8 |
| Panasonic Intellectual Property Management Co., Ltd. | 30967 |
7 |
| MITSUBISHI DENKI KABUSHIKI KAISHA also trading as Mitsubishi Electric Corporation | 371 |
7 |
| Samsung Electronics Co., Ltd. | 144143 |
6 |
| Denso Corporation | 24120 |
6 |
| STMicroelectronics S.r.l. | 3620 |
6 |
| Analog Devices International Unlimited Company | 1876 |
6 |
| Other owners | 304 |