- 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: 1356
10-year publication summary
|
130
|
126
|
125
|
131
|
131
|
111
|
86
|
75
|
69
|
49
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 86553 |
93 |
| Huawei Technologies Co., Ltd. | 113853 |
85 |
| Samsung Electronics Co., Ltd. | 147622 |
63 |
| Intel Corporation | 47129 |
61 |
| LG Electronics Inc. | 73578 |
54 |
| Sun Patent Trust | 2000 |
36 |
| Ericsson | 21902 |
34 |
| Apple Inc. | 55446 |
30 |
| Electronics and Telecommunications Research Institute | 9435 |
29 |
| ZTE Corporation | 42721 |
29 |
| Telefonaktiebolaget LM Ericsson (publ) | 28236 |
29 |
| NEC Corporation | 36003 |
28 |
| Texas Instruments Incorporated | 19445 |
24 |
| NXP USA, Inc. | 4310 |
15 |
| Raytheon Company | 8394 |
14 |
| Nokia Technologies Oy | 18266 |
12 |
| Sony Corporation | 30929 |
11 |
| Mitsubishi Electric Corporation | 46449 |
10 |
| Nippon Telegraph and Telephone Corporation | 17381 |
10 |
| Terawave, LLC | 17 |
9 |
| Other owners | 680 |