- 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: 66
10-year publication summary
|
1
|
6
|
7
|
2
|
3
|
2
|
3
|
1
|
1
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 90013 |
7 |
| TM IP Holdings, LLC | 53 |
5 |
| Raptor Data Limited | 20 |
4 |
| Samsung Electronics Co., Ltd. | 153357 |
3 |
| Interdigital Patent Holdings, Inc. | 6454 |
2 |
| Intel Corporation | 46633 |
2 |
| Texas Instruments Incorporated | 19621 |
2 |
| Futurewei Technologies, Inc. | 3772 |
2 |
| Callahan Cellular L.L.C. | 160 |
2 |
| Rearden, LLC | 96 |
2 |
| Apple Inc. | 58024 |
1 |
| Research In Motion Limited | 1423 |
1 |
| Sony Corporation | 30451 |
1 |
| Panasonic Corporation | 19739 |
1 |
| Ericsson | 22261 |
1 |
| Robert Bosch GmbH | 43526 |
1 |
| Electronics and Telecommunications Research Institute | 9493 |
1 |
| Huawei Technologies Co., Ltd. | 119724 |
1 |
| Google Technology Holdings LLC | 2142 |
1 |
| NTT DoCoMo, Inc. | 14211 |
1 |
| Other owners | 25 |