- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 1/1607 - 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 - Details of the supervisory signal
Patent holdings for IPC class H04L 1/1607
Total number of patents in this class: 950
10-year publication summary
|
0
|
1
|
1
|
4
|
16
|
57
|
192
|
213
|
334
|
108
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 76576 |
159 |
| Samsung Electronics Co., Ltd. | 131630 |
68 |
| Huawei Technologies Co., Ltd. | 100781 |
64 |
| Ericsson | 20417 |
57 |
| LG Electronics Inc. | 69257 |
55 |
| Apple Inc. | 50209 |
35 |
| Interdigital Patent Holdings, Inc. | 3652 |
33 |
| Sony Group Corporation | 10730 |
30 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 18739 |
23 |
| Beijing Xiaomi Mobile Software Co., Ltd. | 8764 |
19 |
| SK Telecom Co., Ltd. | 1699 |
18 |
| ZTE Corporation | 39218 |
15 |
| Intel Corporation | 45621 |
13 |
| Nokia Technologies Oy | 15057 |
13 |
| Wilus Institute of Standards and Technology Inc. | 602 |
13 |
| Sun Patent Trust | 1972 |
12 |
| Lenovo (Singapore) Pte. Ltd. | 2853 |
11 |
| Marvell Asia PTE, Ltd. | 6841 |
11 |
| Sony Corporation | 32931 |
10 |
| NEC Corporation | 32703 |
10 |
| Other owners | 281 |