- 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: 284
10-year publication summary
|
36
|
31
|
30
|
34
|
22
|
13
|
12
|
7
|
5
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 93172 |
45 |
| LG Electronics Inc. | 75973 |
27 |
| Huawei Technologies Co., Ltd. | 124630 |
10 |
| Ericsson | 22995 |
9 |
| Applied Transform, LLC | 13 |
9 |
| Sun Patent Trust | 1999 |
9 |
| Samsung Electronics Co., Ltd. | 158842 |
8 |
| Sony Corporation | 30080 |
8 |
| Interdigital Patent Holdings, Inc. | 7128 |
8 |
| Optis Cellular Technology, LLC | 77 |
7 |
| T-Mobile USA, Inc. | 4532 |
7 |
| Apple Inc. | 59177 |
5 |
| Nokia Technologies Oy | 21624 |
5 |
| Telefonaktiebolaget LM Ericsson (publ) | 28880 |
5 |
| HyperX Holdings LLC | 145 |
5 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 23560 |
4 |
| Vivo Mobile Communication Co., Ltd. | 13763 |
4 |
| NTT DoCoMo, Inc. | 14952 |
3 |
| Battelle Energy Alliance, LLC | 587 |
3 |
| AltioStar Networks, Inc. | 133 |
3 |
| Other owners | 100 |