- 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: 802
10-year publication summary
|
81
|
86
|
76
|
63
|
46
|
45
|
33
|
25
|
31
|
22
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 75654 |
65 |
| Qualcomm Incorporated | 91997 |
50 |
| Huawei Technologies Co., Ltd. | 123282 |
47 |
| Samsung Electronics Co., Ltd. | 157557 |
46 |
| Comcast Cable Communications, LLC | 5169 |
32 |
| Electronics and Telecommunications Research Institute | 9670 |
26 |
| Intel Corporation | 47102 |
25 |
| Marvell Asia PTE, Ltd. | 6313 |
20 |
| Ericsson | 22660 |
15 |
| Telefonaktiebolaget LM Ericsson (publ) | 28744 |
13 |
| Cavium International | 4672 |
12 |
| Apple Inc. | 58705 |
11 |
| Texas Instruments Incorporated | 19663 |
11 |
| ZTE Corporation | 44159 |
11 |
| Sony Corporation | 30208 |
10 |
| Aviation Communication & Surveillance Systems LLC | 116 |
10 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 23266 |
10 |
| Mitsubishi Electric Corporation | 47971 |
9 |
| Panasonic Intellectual Property Corporation of America | 7176 |
9 |
| Sun Patent Trust | 2006 |
9 |
| Other owners | 361 |