- 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: 68
10-year publication summary
|
1
|
6
|
7
|
2
|
3
|
2
|
5
|
1
|
1
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 92196 |
9 |
| TM IP Holdings, LLC | 53 |
5 |
| Raptor Data Limited | 22 |
4 |
| Samsung Electronics Co., Ltd. | 157719 |
3 |
| Interdigital Patent Holdings, Inc. | 6934 |
2 |
| Intel Corporation | 47106 |
2 |
| Futurewei Technologies, Inc. | 3783 |
2 |
| Callahan Cellular L.L.C. | 143 |
2 |
| Rearden, LLC | 95 |
2 |
| Apple Inc. | 58742 |
1 |
| Research In Motion Limited | 1345 |
1 |
| Sony Corporation | 30181 |
1 |
| Panasonic Corporation | 19019 |
1 |
| Ericsson | 22717 |
1 |
| Texas Instruments Incorporated | 19672 |
1 |
| Robert Bosch GmbH | 44160 |
1 |
| Electronics and Telecommunications Research Institute | 9672 |
1 |
| Huawei Technologies Co., Ltd. | 123385 |
1 |
| Google Technology Holdings LLC | 2074 |
1 |
| NTT DoCoMo, Inc. | 14702 |
1 |
| Other owners | 26 |