- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 27/34 - Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
Patent holdings for IPC class H04L 27/34
Total number of patents in this class: 2466
10-year publication summary
|
170
|
285
|
276
|
256
|
289
|
290
|
222
|
188
|
159
|
43
|
| 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 91672 |
191 |
| Samsung Electronics Co., Ltd. | 123340 |
162 |
| Qualcomm Incorporated | 70338 |
160 |
| LG Electronics Inc. | 67565 |
148 |
| Sony Corporation | 35977 |
78 |
| Electronics and Telecommunications Research Institute | 8738 |
70 |
| Sun Patent Trust | 1872 |
57 |
| Telefonaktiebolaget LM Ericsson (publ) | 25155 |
55 |
| Ericsson | 19816 |
54 |
| Intel Corporation | 46078 |
51 |
| Panasonic Intellectual Property Corporation of America | 5406 |
43 |
| Constellation Designs, LLC | 41 |
38 |
| Apple Inc. | 46256 |
36 |
| ZTE Corporation | 36993 |
30 |
| Astrapi Corporation | 49 |
30 |
| Marvell Asia PTE, Ltd. | 7186 |
30 |
| Mitsubishi Electric Corporation | 41690 |
28 |
| Cavium International | 6091 |
26 |
| NEC Corporation | 30702 |
24 |
| Saturn Licensing LLC | 1574 |
24 |
| Other owners | 1131 |