- 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: 18159
10-year publication summary
1359
|
1356
|
1896
|
2068
|
2424
|
1950
|
1638
|
862
|
357
|
78
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Qualcomm Incorporated | 86867 |
2545 |
LG Electronics Inc. | 73690 |
2396 |
Samsung Electronics Co., Ltd. | 147983 |
1423 |
Huawei Technologies Co., Ltd. | 114320 |
1273 |
Telefonaktiebolaget LM Ericsson (publ) | 28345 |
663 |
Ericsson | 21932 |
587 |
Apple Inc. | 55640 |
580 |
ZTE Corporation | 42789 |
390 |
Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 21307 |
376 |
Interdigital Patent Holdings, Inc. | 5772 |
320 |
Nokia Technologies Oy | 18494 |
308 |
Intel Corporation | 47239 |
307 |
Beijing Xiaomi Mobile Software Co., Ltd. | 12818 |
213 |
Sharp Corporation | 10281 |
208 |
NTT DoCoMo, Inc. | 13427 |
186 |
Sony Corporation | 30910 |
170 |
Strong Force IoT Portfolio 2016, LLC | 313 |
158 |
Nokia Solutions And Networks Oy | 6787 |
155 |
Datang Mobile Communications Equipment Co., Ltd | 4023 |
153 |
Vivo Mobile Communication Co., Ltd. | 12591 |
150 |
Other owners | 5598 |