- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 27/30 - Systems using multi-frequency codes wherein each code element is represented by a combination of frequencies
Patent holdings for IPC class H04L 27/30
Total number of patents in this class: 69
10-year publication summary
|
2
|
1
|
6
|
7
|
2
|
3
|
2
|
3
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 86346 |
7 |
| TM IP Holdings, LLC | 51 |
5 |
| Raptor Data Limited | 20 |
4 |
| Samsung Electronics Co., Ltd. | 147501 |
3 |
| Callahan Cellular L.L.C. | 197 |
3 |
| Intel Corporation | 47143 |
2 |
| Texas Instruments Incorporated | 19455 |
2 |
| Rearden, LLC | 107 |
2 |
| Apple Inc. | 55387 |
1 |
| Research In Motion Limited | 2014 |
1 |
| Siemens AG | 24409 |
1 |
| LG Electronics Inc. | 73531 |
1 |
| Sony Corporation | 30936 |
1 |
| Panasonic Corporation | 20050 |
1 |
| Ericsson | 21888 |
1 |
| Interdigital Patent Holdings, Inc. | 5620 |
1 |
| Robert Bosch GmbH | 42813 |
1 |
| Electronics and Telecommunications Research Institute | 9422 |
1 |
| Huawei Technologies Co., Ltd. | 113689 |
1 |
| Google Technology Holdings LLC | 2301 |
1 |
| Other owners | 29 |