- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 1/12 - Arrangements for detecting or preventing errors in the information received by using return channel
Patent holdings for IPC class H04L 1/12
Total number of patents in this class: 408
10-year publication summary
|
37
|
44
|
37
|
32
|
26
|
24
|
22
|
22
|
6
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 92563 |
61 |
| Huawei Technologies Co., Ltd. | 123677 |
35 |
| LG Electronics Inc. | 75845 |
30 |
| Telefonaktiebolaget LM Ericsson (publ) | 28848 |
24 |
| Ericsson | 22815 |
17 |
| Interdigital Patent Holdings, Inc. | 7049 |
13 |
| Intel Corporation | 47100 |
12 |
| Panasonic Intellectual Property Corporation of America | 7223 |
12 |
| Samsung Electronics Co., Ltd. | 158156 |
11 |
| ZTE Corporation | 44219 |
10 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 23388 |
10 |
| Apple Inc. | 58936 |
9 |
| NEC Corporation | 37064 |
8 |
| Nokia Technologies Oy | 21366 |
8 |
| Optis Wireless Technology, LLC | 167 |
8 |
| Panasonic Holdings Corporation | 1772 |
7 |
| Massachusetts Institute of Technology | 10259 |
5 |
| KT Corporation | 2088 |
5 |
| Electronics and Telecommunications Research Institute | 9681 |
4 |
| Nokia Solutions And Networks Oy | 7258 |
4 |
| Other owners | 115 |