- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 1/18 - Automatic repetition systems, e.g. Van Duuren systems
Patent holdings for IPC class H04L 1/18
Total number of patents in this class: 18674
10-year publication summary
|
1364
|
1360
|
1897
|
2069
|
2433
|
1988
|
1960
|
958
|
354
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 81413 |
2647 |
| LG Electronics Inc. | 70898 |
2425 |
| Samsung Electronics Co., Ltd. | 138518 |
1458 |
| Huawei Technologies Co., Ltd. | 106498 |
1292 |
| Telefonaktiebolaget LM Ericsson (publ) | 27378 |
671 |
| Ericsson | 21094 |
613 |
| Apple Inc. | 52607 |
594 |
| ZTE Corporation | 41038 |
407 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 19926 |
397 |
| Nokia Technologies Oy | 16490 |
314 |
| Intel Corporation | 46097 |
309 |
| Interdigital Patent Holdings, Inc. | 4441 |
274 |
| Beijing Xiaomi Mobile Software Co., Ltd. | 10643 |
225 |
| Sharp Corporation | 10185 |
223 |
| NTT DoCoMo, Inc. | 12248 |
201 |
| Sony Corporation | 31565 |
171 |
| Vivo Mobile Communication Co., Ltd. | 11248 |
170 |
| Datang Mobile Communications Equipment Co., Ltd | 3601 |
161 |
| Strong Force IoT Portfolio 2016, LLC | 321 |
159 |
| Nokia Solutions And Networks Oy | 6213 |
155 |
| Other owners | 5808 |