- 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 |