- All sections
- H - Electricity
- H04B - Transmission
- H04B 3/58 - Repeater circuits
Patent holdings for IPC class H04B 3/58
Total number of patents in this class: 127
10-year publication summary
|
23
|
14
|
19
|
31
|
26
|
9
|
11
|
1
|
1
|
4
|
| 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. | 9486 |
54 |
| Panasonic Intellectual Property Management Co., Ltd. | 31084 |
4 |
| Cellphone-Mate, Inc. | 50 |
4 |
| Clear-Com LLC | 56 |
4 |
| Mitsubishi Electric Corporation | 45899 |
3 |
| Sagemcom Energy & Telecom SAS | 255 |
3 |
| Baker Hughes, a GE Company, LLC | 2114 |
3 |
| Texas Instruments Incorporated | 19481 |
2 |
| Huawei Technologies Co., Ltd. | 111449 |
2 |
| Cypress Semiconductor Corporation | 1767 |
2 |
| ABL IP Holding LLC | 1903 |
2 |
| Hanbat National University Industry-Academic Cooperation Foundation | 151 |
2 |
| MegaChips Corporation | 341 |
2 |
| Nautitech Mining Systems Pty Limited | 6 |
2 |
| R. F. Industries Pty Ltd. | 2 |
2 |
| AT&T Intellectual Property 1, L.P. | 23 |
2 |
| MITSUBISHI DENKI KABUSHIKI KAISHA also trading as Mitsubishi Electric Corporation | 355 |
2 |
| Honeywell International Inc. | 13573 |
1 |
| Panasonic Corporation | 20149 |
1 |
| Ericsson | 21642 |
1 |
| Other owners | 29 |