- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 27/20 - Modulator circuits; Transmitter circuits
Patent holdings for IPC class H04L 27/20
Total number of patents in this class: 1345
10-year publication summary
|
120
|
130
|
126
|
127
|
132
|
131
|
112
|
86
|
74
|
19
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 76576 |
87 |
| Huawei Technologies Co., Ltd. | 100781 |
75 |
| Intel Corporation | 45621 |
62 |
| Samsung Electronics Co., Ltd. | 131630 |
57 |
| LG Electronics Inc. | 69257 |
44 |
| Ericsson | 20417 |
36 |
| Sun Patent Trust | 1972 |
32 |
| Apple Inc. | 50209 |
30 |
| Telefonaktiebolaget LM Ericsson (publ) | 26435 |
29 |
| NEC Corporation | 32703 |
28 |
| Texas Instruments Incorporated | 19376 |
26 |
| ZTE Corporation | 39218 |
24 |
| Electronics and Telecommunications Research Institute | 8830 |
23 |
| NXP USA, Inc. | 4155 |
15 |
| Raytheon Company | 8535 |
14 |
| Sony Corporation | 32931 |
11 |
| Fujitsu Limited | 19265 |
11 |
| Mitsubishi Electric Corporation | 43934 |
10 |
| Matsushita Electric Industrial Co., Ltd. | 4724 |
9 |
| Harris Corporation | 1591 |
9 |
| Other owners | 713 |