- 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: 82
10-year publication summary
|
5
|
2
|
1
|
6
|
7
|
2
|
3
|
2
|
3
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 76576 |
8 |
| Rearden, LLC | 116 |
7 |
| TM IP Holdings, LLC | 49 |
5 |
| Samsung Electronics Co., Ltd. | 131630 |
3 |
| Callahan Cellular L.L.C. | 337 |
3 |
| Apple Inc. | 50209 |
2 |
| Intel Corporation | 45621 |
2 |
| Texas Instruments Incorporated | 19376 |
2 |
| Marvell Asia PTE, Ltd. | 6841 |
2 |
| Cavium International | 5549 |
2 |
| Avago Technologies International Sales Pte. Limited | 9260 |
2 |
| Raptor Data Limited | 9 |
2 |
| Research In Motion Limited | 2283 |
1 |
| Siemens AG | 24990 |
1 |
| LG Electronics Inc. | 69257 |
1 |
| Sony Corporation | 32931 |
1 |
| Panasonic Corporation | 20786 |
1 |
| Ericsson | 20417 |
1 |
| Ericsson Inc. | 41 |
1 |
| Interdigital Patent Holdings, Inc. | 3652 |
1 |
| Other owners | 34 |