- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 27/28 - Systems using multi-frequency codes with simultaneous transmission of different frequencies each representing one code element
Patent holdings for IPC class H04L 27/28
Total number of patents in this class: 1214
10-year publication summary
|
50
|
48
|
36
|
39
|
26
|
24
|
27
|
14
|
8
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 157719 |
98 |
| Qualcomm Incorporated | 92196 |
84 |
| LG Electronics Inc. | 75694 |
63 |
| Huawei Technologies Co., Ltd. | 123385 |
54 |
| Ericsson | 22717 |
45 |
| Marvell Asia PTE, Ltd. | 6311 |
40 |
| Cavium International | 4666 |
38 |
| Apple Inc. | 58742 |
29 |
| Intel Corporation | 47106 |
23 |
| Electronics and Telecommunications Research Institute | 9672 |
22 |
| Texas Instruments Incorporated | 19672 |
20 |
| Sun Patent Trust | 2006 |
20 |
| Marvell International Ltd. | 1106 |
17 |
| Avago Technologies International Sales Pte. Limited | 8558 |
17 |
| Google Technology Holdings LLC | 2074 |
15 |
| ZTE Corporation | 44170 |
12 |
| Comcast Cable Communications, LLC | 5179 |
12 |
| NXP USA, Inc. | 4401 |
12 |
| Sharp Corporation | 10545 |
11 |
| Nokia Technologies Oy | 21106 |
11 |
| Other owners | 571 |