- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 69/324 - Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions in the data link layer [OSI layer 2], e.g. HDLC
Patent holdings for IPC class H04L 69/324
Total number of patents in this class: 569
10-year publication summary
|
6
|
4
|
9
|
87
|
101
|
111
|
83
|
80
|
55
|
27
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 124837 |
38 |
| VMware LLC | 6971 |
37 |
| LG Electronics Inc. | 76087 |
33 |
| Samsung Electronics Co., Ltd. | 159029 |
28 |
| Intel Corporation | 46292 |
27 |
| Qualcomm Incorporated | 93376 |
22 |
| Cisco Technology, Inc. | 22612 |
19 |
| Oracle International Corporation | 13683 |
12 |
| Dolby Video Compression, LLC | 396 |
10 |
| Ericsson | 23055 |
9 |
| Electronics and Telecommunications Research Institute | 9727 |
9 |
| Panasonic Intellectual Property Corporation of America | 7266 |
8 |
| Juniper Networks, Inc. | 3355 |
8 |
| Charles Schwab & Co., Inc. | 684 |
7 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 23646 |
7 |
| Apple Inc. | 59241 |
6 |
| Amazon Technologies, Inc. | 28264 |
6 |
| Microsoft Technology Licensing, LLC | 54586 |
6 |
| Wilus Institute of Standards and Technology Inc. | 892 |
6 |
| Koninklijke Philips N.V. | 26042 |
4 |
| Other owners | 267 |