- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 27/22 - Demodulator circuitsReceiver circuits
Patent holdings for IPC class H04L 27/22
Total number of patents in this class: 683
10-year publication summary
|
71
|
62
|
70
|
51
|
49
|
37
|
38
|
25
|
13
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 72473 |
26 |
| Samsung Electronics Co., Ltd. | 144143 |
22 |
| Qualcomm Incorporated | 84501 |
21 |
| NEC Corporation | 35351 |
18 |
| Ericsson | 21593 |
18 |
| Sun Patent Trust | 1991 |
17 |
| Texas Instruments Incorporated | 19487 |
14 |
| Huawei Technologies Co., Ltd. | 110995 |
14 |
| Electronics and Telecommunications Research Institute | 9344 |
12 |
| Mitsubishi Electric Corporation | 45811 |
12 |
| Transfert Plus, Société en Commandite | 45 |
12 |
| Intel Corporation | 46699 |
11 |
| NXP USA, Inc. | 4273 |
10 |
| Sony Corporation | 31148 |
9 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10837 |
8 |
| Nippon Telegraph and Telephone Corporation | 17157 |
8 |
| Innophase Inc. | 99 |
7 |
| AT&T Intellectual Property I, L.P. | 9470 |
6 |
| Panasonic Corporation | 20173 |
6 |
| ZTE Corporation | 42015 |
6 |
| Other owners | 426 |