- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 1/1812 - Hybrid protocolsHybrid automatic repeat request [HARQ]
Patent holdings for IPC class H04L 1/1812
Total number of patents in this class: 4014
10-year publication summary
|
5
|
7
|
20
|
37
|
139
|
575
|
983
|
859
|
897
|
444
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 84847 |
677 |
| LG Electronics Inc. | 72737 |
365 |
| Samsung Electronics Co., Ltd. | 145025 |
311 |
| Huawei Technologies Co., Ltd. | 111764 |
234 |
| Ericsson | 21674 |
187 |
| Apple Inc. | 54610 |
163 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 20840 |
153 |
| ZTE Corporation | 42146 |
141 |
| Beijing Xiaomi Mobile Software Co., Ltd. | 11995 |
123 |
| Interdigital Patent Holdings, Inc. | 5318 |
120 |
| Vivo Mobile Communication Co., Ltd. | 12149 |
95 |
| Sharp Corporation | 10305 |
91 |
| Ofinno, LLC | 1675 |
84 |
| Nokia Technologies Oy | 17637 |
71 |
| NTT DoCoMo, Inc. | 12856 |
66 |
| Datang Mobile Communications Equipment Co., Ltd | 3820 |
60 |
| Lenovo (Beijing) Limited | 3525 |
53 |
| Sony Group Corporation | 13661 |
50 |
| Panasonic Intellectual Property Corporation of America | 7626 |
48 |
| NEC Corporation | 35509 |
46 |
| Other owners | 876 |