- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 1/16 - Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
Patent holdings for IPC class H04L 1/16
Total number of patents in this class: 7130
10-year publication summary
|
595
|
554
|
752
|
830
|
874
|
667
|
495
|
237
|
91
|
21
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 84971 |
1000 |
| LG Electronics Inc. | 72807 |
802 |
| Huawei Technologies Co., Ltd. | 111975 |
588 |
| Samsung Electronics Co., Ltd. | 145416 |
381 |
| Telefonaktiebolaget LM Ericsson (publ) | 27855 |
224 |
| ZTE Corporation | 42203 |
212 |
| Ericsson | 21704 |
203 |
| Apple Inc. | 54658 |
161 |
| Interdigital Patent Holdings, Inc. | 5343 |
151 |
| NTT DoCoMo, Inc. | 12863 |
145 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 20883 |
137 |
| Intel Corporation | 46949 |
125 |
| NEC Corporation | 35521 |
103 |
| Nokia Technologies Oy | 17651 |
95 |
| Fujitsu Limited | 18343 |
91 |
| Sun Patent Trust | 1995 |
81 |
| Sony Corporation | 31093 |
73 |
| Sharp Kabushiki Kaisha | 18775 |
73 |
| Beijing Xiaomi Mobile Software Co., Ltd. | 12053 |
72 |
| Panasonic Intellectual Property Corporation of America | 7613 |
69 |
| Other owners | 2344 |