- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 1/20 - Arrangements for detecting or preventing errors in the information received using signal-quality detector
Patent holdings for IPC class H04L 1/20
Total number of patents in this class: 2138
10-year publication summary
|
207
|
159
|
155
|
182
|
191
|
150
|
183
|
137
|
99
|
60
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 85833 |
200 |
| Samsung Electronics Co., Ltd. | 146811 |
100 |
| Huawei Technologies Co., Ltd. | 113064 |
90 |
| Telefonaktiebolaget LM Ericsson (publ) | 28095 |
84 |
| Ericsson | 21804 |
76 |
| Intel Corporation | 47033 |
60 |
| Apple Inc. | 55174 |
54 |
| LG Electronics Inc. | 73344 |
52 |
| Massengill Family Trust, Richard Kemp Massengill, Co-Trustee, citizen USA, Esther S. Massengill, Co-Trustee, citizen USA | 229 |
39 |
| Avago Technologies International Sales Pte. Limited | 8748 |
38 |
| Sun Patent Trust | 2000 |
31 |
| NEC Corporation | 35778 |
29 |
| ZTE Corporation | 42569 |
28 |
| Rambus Inc. | 2374 |
26 |
| Nokia Technologies Oy | 18116 |
24 |
| Cisco Technology, Inc. | 19961 |
21 |
| Interdigital Patent Holdings, Inc. | 5576 |
19 |
| Marvell Asia PTE, Ltd. | 6530 |
18 |
| Fujitsu Limited | 18402 |
17 |
| Comcast Cable Communications, LLC | 4713 |
16 |
| Other owners | 1116 |