- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 27/227 - Demodulator circuits; Receiver circuits using coherent demodulation
Patent holdings for IPC class H04L 27/227
Total number of patents in this class: 316
10-year publication summary
|
38
|
32
|
46
|
33
|
36
|
33
|
28
|
11
|
8
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ericsson | 20417 |
13 |
| Qualcomm Incorporated | 76576 |
11 |
| Huawei Technologies Co., Ltd. | 100781 |
11 |
| Innophase Inc. | 93 |
11 |
| LG Electronics Inc. | 69257 |
10 |
| Marvell Asia PTE, Ltd. | 6841 |
10 |
| NEC Corporation | 32703 |
9 |
| Samsung Electronics Co., Ltd. | 131630 |
6 |
| Panasonic Corporation | 20786 |
6 |
| Electronics and Telecommunications Research Institute | 8830 |
6 |
| Uhnder, Inc. | 102 |
6 |
| Cavium International | 5549 |
6 |
| Texas Instruments Incorporated | 19376 |
5 |
| Mitsubishi Electric Corporation | 43934 |
5 |
| AT&T Intellectual Property I, L.P. | 9886 |
4 |
| Intel Corporation | 45621 |
4 |
| Fujitsu Limited | 19265 |
4 |
| Thomson Licensing | 4027 |
4 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
4 |
| National Instruments Corporation | 842 |
4 |
| Other owners | 177 |