- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 27/20 - Modulator circuitsTransmitter circuits
Patent holdings for IPC class H04L 27/20
Total number of patents in this class: 1349
10-year publication summary
130
|
126
|
127
|
132
|
132
|
112
|
87
|
76
|
69
|
39
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Qualcomm Incorporated | 85550 |
93 |
Huawei Technologies Co., Ltd. | 113006 |
84 |
Samsung Electronics Co., Ltd. | 146534 |
63 |
Intel Corporation | 47013 |
61 |
LG Electronics Inc. | 73210 |
54 |
Sun Patent Trust | 2000 |
36 |
Ericsson | 21778 |
34 |
Apple Inc. | 55017 |
30 |
Electronics and Telecommunications Research Institute | 9399 |
29 |
Telefonaktiebolaget LM Ericsson (publ) | 28022 |
29 |
NEC Corporation | 35734 |
28 |
ZTE Corporation | 42552 |
27 |
Texas Instruments Incorporated | 19448 |
24 |
NXP USA, Inc. | 4297 |
15 |
Raytheon Company | 8387 |
14 |
Nokia Technologies Oy | 17914 |
12 |
Sony Corporation | 31028 |
11 |
Fujitsu Limited | 18389 |
10 |
Mitsubishi Electric Corporation | 46160 |
10 |
Nippon Telegraph and Telephone Corporation | 17349 |
10 |
Other owners | 675 |