- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 5/14 - Two-way operation using the same type of signal, i.e. duplex
Patent holdings for IPC class H04L 5/14
Total number of patents in this class: 7458
10-year publication summary
|
816
|
922
|
869
|
805
|
868
|
691
|
640
|
665
|
673
|
298
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 76576 |
1390 |
| LG Electronics Inc. | 69257 |
761 |
| Samsung Electronics Co., Ltd. | 131630 |
441 |
| Huawei Technologies Co., Ltd. | 100781 |
408 |
| Apple Inc. | 50209 |
313 |
| Ericsson | 20417 |
282 |
| Intel Corporation | 45621 |
184 |
| Sharp Corporation | 10015 |
88 |
| Nokia Technologies Oy | 15057 |
83 |
| Telefonaktiebolaget LM Ericsson (publ) | 26435 |
78 |
| Sony Corporation | 32931 |
74 |
| Avago Technologies International Sales Pte. Limited | 9260 |
69 |
| AT&T Intellectual Property I, L.P. | 9886 |
68 |
| Skyworks Solutions, Inc. | 3450 |
68 |
| NTT DoCoMo, Inc. | 11501 |
67 |
| Interdigital Patent Holdings, Inc. | 3652 |
63 |
| NEC Corporation | 32703 |
60 |
| ZTE Corporation | 39218 |
58 |
| Murata Manufacturing Co., Ltd. | 22355 |
57 |
| Datang Mobile Communications Equipment Co., Ltd | 3210 |
54 |
| Other owners | 2792 |