- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 29/04 - Communication control; Communication processing for plural communication lines
Patent holdings for IPC class H04L 29/04
Total number of patents in this class: 385
10-year publication summary
|
29
|
17
|
39
|
28
|
32
|
34
|
19
|
11
|
5
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 100781 |
29 |
| NEC Corporation | 32703 |
21 |
| ZTE Corporation | 39218 |
14 |
| Sony Corporation | 32931 |
13 |
| LG Electronics Inc. | 69257 |
10 |
| Hewlett Packard Enterprise Development LP | 10702 |
9 |
| Magic Leap, Inc. | 3028 |
9 |
| Nippon Telegraph and Telephone Corporation | 14195 |
8 |
| Samsung Electronics Co., Ltd. | 131630 |
7 |
| Hewlett-Packard Development Company, L.P. | 28538 |
7 |
| Intel Corporation | 45621 |
7 |
| Nortel Networks Limited | 404 |
7 |
| Verizon Patent And Licensing Inc. | 6900 |
6 |
| Research In Motion Limited | 2283 |
5 |
| ADC Telecommunications, Inc. | 476 |
5 |
| Net Optics, Inc. | 13 |
5 |
| Oracle International Corporation | 12313 |
4 |
| Microsoft Technology Licensing, LLC | 51439 |
4 |
| Snap Inc. | 4604 |
4 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 18739 |
4 |
| Other owners | 207 |