- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 1/04 - Arrangements for detecting or preventing errors in the information received by diversity reception using frequency diversity
Patent holdings for IPC class H04L 1/04
Total number of patents in this class: 286
10-year publication summary
|
22
|
35
|
31
|
29
|
34
|
22
|
13
|
11
|
6
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 85914 |
43 |
| LG Electronics Inc. | 73383 |
28 |
| Huawei Technologies Co., Ltd. | 113191 |
10 |
| Ericsson | 21821 |
9 |
| Interdigital Patent Holdings, Inc. | 5591 |
9 |
| Sun Patent Trust | 2001 |
9 |
| Samsung Electronics Co., Ltd. | 147003 |
8 |
| Sony Corporation | 31004 |
8 |
| Applied Transform, LLC | 12 |
8 |
| Optis Cellular Technology, LLC | 77 |
7 |
| T-Mobile USA, Inc. | 4139 |
7 |
| Coherent Logix, Incorporated | 182 |
6 |
| Nokia Technologies Oy | 18175 |
5 |
| Telefonaktiebolaget LM Ericsson (publ) | 28156 |
5 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 21109 |
4 |
| iBiquity Digital Corporation | 278 |
4 |
| Vivo Mobile Communication Co., Ltd. | 12402 |
4 |
| Apple Inc. | 55229 |
3 |
| NTT DoCoMo, Inc. | 13195 |
3 |
| Battelle Energy Alliance, LLC | 586 |
3 |
| Other owners | 103 |