- 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: 9066
10-year publication summary
|
870
|
806
|
872
|
695
|
649
|
685
|
703
|
787
|
767
|
358
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 90674 |
1882 |
| LG Electronics Inc. | 75160 |
842 |
| Samsung Electronics Co., Ltd. | 154751 |
582 |
| Huawei Technologies Co., Ltd. | 120888 |
444 |
| Apple Inc. | 58208 |
349 |
| Ericsson | 22331 |
303 |
| Intel Corporation | 46718 |
201 |
| Nokia Technologies Oy | 20534 |
121 |
| Interdigital Patent Holdings, Inc. | 6558 |
105 |
| Telefonaktiebolaget LM Ericsson (publ) | 28660 |
103 |
| Sharp Corporation | 10479 |
102 |
| Skyworks Solutions, Inc. | 3895 |
86 |
| NTT DoCoMo, Inc. | 14397 |
80 |
| ZTE Corporation | 43688 |
80 |
| NEC Corporation | 36733 |
77 |
| AT&T Intellectual Property I, L.P. | 9881 |
76 |
| Avago Technologies International Sales Pte. Limited | 8591 |
71 |
| Murata Manufacturing Co., Ltd. | 25588 |
68 |
| Sony Corporation | 30353 |
66 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 22740 |
59 |
| Other owners | 3369 |