- 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: 18214
10-year publication summary
1359
|
1356
|
1896
|
2068
|
2424
|
1953
|
1665
|
878
|
358
|
63
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Qualcomm Incorporated | 85833 |
2558 |
LG Electronics Inc. | 73344 |
2399 |
Samsung Electronics Co., Ltd. | 146811 |
1428 |
Huawei Technologies Co., Ltd. | 113064 |
1278 |
Telefonaktiebolaget LM Ericsson (publ) | 28095 |
663 |
Ericsson | 21804 |
588 |
Apple Inc. | 55174 |
579 |
ZTE Corporation | 42569 |
392 |
Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 21084 |
378 |
Interdigital Patent Holdings, Inc. | 5576 |
321 |
Nokia Technologies Oy | 18116 |
309 |
Intel Corporation | 47033 |
308 |
Beijing Xiaomi Mobile Software Co., Ltd. | 12452 |
214 |
Sharp Corporation | 10265 |
211 |
NTT DoCoMo, Inc. | 13158 |
188 |
Sony Corporation | 31025 |
170 |
Strong Force IoT Portfolio 2016, LLC | 313 |
158 |
Nokia Solutions And Networks Oy | 6682 |
155 |
Datang Mobile Communications Equipment Co., Ltd | 3918 |
153 |
Vivo Mobile Communication Co., Ltd. | 12387 |
152 |
Other owners | 5612 |