- All sections
- H - Electricity
- H04B - Transmission
- H04B 3/38 - Repeater circuits for signals in two different frequency ranges transmitted in opposite directions over the same transmission path
Patent holdings for IPC class H04B 3/38
Total number of patents in this class: 50
10-year publication summary
|
0
|
4
|
4
|
4
|
17
|
5
|
4
|
4
|
2
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| AT&T Intellectual Property I, L.P. | 9886 |
15 |
| PPC Broadband, Inc. | 1017 |
11 |
| Qualcomm Incorporated | 76576 |
3 |
| British Telecommunications Public Limited Company | 2575 |
2 |
| ARRIS Enterprises LLC | 3432 |
2 |
| Samsung Electronics Co., Ltd. | 131630 |
1 |
| Sony Corporation | 32931 |
1 |
| Canon Inc. | 36841 |
1 |
| Intel Corporation | 45621 |
1 |
| Cisco Technology, Inc. | 18858 |
1 |
| Raytheon Company | 8535 |
1 |
| Juniper Networks, Inc. | 3556 |
1 |
| Nippon Telegraph and Telephone Corporation | 14195 |
1 |
| Actelis Networks Inc. | 9 |
1 |
| CommScope Technologies LLC | 4937 |
1 |
| Hangzhou H3C Technologies Co., Ltd. | 388 |
1 |
| Ohio University | 375 |
1 |
| Sagemcom Energy & Telecom SAS | 225 |
1 |
| Synaptics Incorporated | 1598 |
1 |
| Teleste Oyj | 94 |
1 |
| Other owners | 2 |