- 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: 19462
10-year publication summary
1267
|
1363
|
1363
|
1900
|
2074
|
2457
|
2143
|
2367
|
1006
|
173
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Qualcomm Incorporated | 76576 |
2759 |
LG Electronics Inc. | 69257 |
2457 |
Samsung Electronics Co., Ltd. | 131630 |
1482 |
Huawei Technologies Co., Ltd. | 100781 |
1360 |
Telefonaktiebolaget LM Ericsson (publ) | 26435 |
684 |
Ericsson | 20417 |
678 |
Apple Inc. | 50209 |
626 |
ZTE Corporation | 39218 |
440 |
Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 18739 |
439 |
Intel Corporation | 45621 |
322 |
Nokia Technologies Oy | 15057 |
319 |
Interdigital Patent Holdings, Inc. | 3652 |
287 |
Beijing Xiaomi Mobile Software Co., Ltd. | 8764 |
236 |
NTT DoCoMo, Inc. | 11501 |
215 |
Sharp Corporation | 10015 |
199 |
Vivo Mobile Communication Co., Ltd. | 9833 |
186 |
Sony Corporation | 32931 |
175 |
Datang Mobile Communications Equipment Co., Ltd | 3210 |
166 |
Panasonic Intellectual Property Corporation of America | 7230 |
156 |
Strong Force IoT Portfolio 2016, LLC | 320 |
156 |
Other owners | 6120 |