- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 27/18 - Phase-modulated carrier systems, i.e. using phase-shift keying
Patent holdings for IPC class H04L 27/18
Total number of patents in this class: 777
10-year publication summary
|
75
|
81
|
86
|
76
|
63
|
46
|
45
|
31
|
25
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 72247 |
59 |
| Huawei Technologies Co., Ltd. | 110438 |
46 |
| Qualcomm Incorporated | 84189 |
45 |
| Samsung Electronics Co., Ltd. | 143555 |
41 |
| Comcast Cable Communications, LLC | 4587 |
31 |
| Electronics and Telecommunications Research Institute | 9297 |
26 |
| Intel Corporation | 46664 |
24 |
| Marvell Asia PTE, Ltd. | 6561 |
20 |
| Ericsson | 21531 |
15 |
| Cavium International | 5091 |
13 |
| Telefonaktiebolaget LM Ericsson (publ) | 27752 |
12 |
| Apple Inc. | 54300 |
11 |
| Texas Instruments Incorporated | 19473 |
11 |
| Sony Corporation | 31171 |
10 |
| ZTE Corporation | 41903 |
10 |
| Panasonic Intellectual Property Corporation of America | 7589 |
9 |
| Aviation Communication & Surveillance Systems LLC | 126 |
9 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 20612 |
9 |
| Sun Patent Trust | 1989 |
9 |
| Panasonic Corporation | 20188 |
8 |
| Other owners | 359 |