- 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: 404
10-year publication summary
39
|
31
|
37
|
44
|
37
|
31
|
25
|
24
|
18
|
9
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Qualcomm Incorporated | 76576 |
61 |
Huawei Technologies Co., Ltd. | 100781 |
34 |
LG Electronics Inc. | 69257 |
27 |
Telefonaktiebolaget LM Ericsson (publ) | 26435 |
26 |
Ericsson | 20417 |
19 |
Samsung Electronics Co., Ltd. | 131630 |
14 |
Intel Corporation | 45621 |
12 |
Interdigital Patent Holdings, Inc. | 3652 |
10 |
Panasonic Intellectual Property Corporation of America | 7230 |
10 |
ZTE Corporation | 39218 |
10 |
NEC Corporation | 32703 |
9 |
Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 18739 |
9 |
Optis Wireless Technology, LLC | 241 |
9 |
Apple Inc. | 50209 |
8 |
BlackBerry Limited | 5958 |
6 |
Nokia Technologies Oy | 15057 |
6 |
Massachusetts Institute of Technology | 9795 |
5 |
Panasonic Holdings Corporation | 1325 |
5 |
Nokia Corporation | 6965 |
4 |
Electronics and Telecommunications Research Institute | 8830 |
4 |
Other owners | 116 |