- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 27/26 - Systems using multi-frequency codes
Patent holdings for IPC class H04L 27/26
Total number of patents in this class: 22889
10-year publication summary
|
1595
|
1886
|
2152
|
2336
|
2470
|
2183
|
1890
|
1764
|
1496
|
496
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 69257 |
3187 |
| Qualcomm Incorporated | 76576 |
2711 |
| Huawei Technologies Co., Ltd. | 100781 |
1836 |
| Samsung Electronics Co., Ltd. | 131630 |
1242 |
| Ericsson | 20417 |
654 |
| ZTE Corporation | 39218 |
564 |
| Telefonaktiebolaget LM Ericsson (publ) | 26435 |
543 |
| NTT DoCoMo, Inc. | 11501 |
510 |
| Apple Inc. | 50209 |
503 |
| Intel Corporation | 45621 |
500 |
| Electronics and Telecommunications Research Institute | 8830 |
351 |
| Panasonic Intellectual Property Corporation of America | 7230 |
284 |
| Sun Patent Trust | 1972 |
241 |
| Sony Corporation | 32931 |
227 |
| Nokia Technologies Oy | 15057 |
183 |
| NEC Corporation | 32703 |
176 |
| Marvell Asia PTE, Ltd. | 6841 |
176 |
| Interdigital Patent Holdings, Inc. | 3652 |
167 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 18739 |
155 |
| NXP USA, Inc. | 4155 |
154 |
| Other owners | 8525 |