- All sections
- H - Electricity
- H04J - Multiplex communication
- H04J 3/22 - Time-division multiplex systems in which the sources have different rates or codes
Patent holdings for IPC class H04J 3/22
Total number of patents in this class: 674
10-year publication summary
|
10
|
13
|
10
|
15
|
6
|
5
|
1
|
1
|
1
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cisco Technology, Inc. | 19655 |
34 |
| Ericsson | 21622 |
29 |
| Avago Technologies International Sales Pte. Limited | 8829 |
26 |
| Samsung Electronics Co., Ltd. | 144426 |
22 |
| Huawei Technologies Co., Ltd. | 111237 |
19 |
| Qualcomm Incorporated | 84634 |
12 |
| LG Electronics Inc. | 72559 |
11 |
| Intel Corporation | 46751 |
10 |
| Apple Inc. | 54527 |
9 |
| Google Technology Holdings LLC | 2341 |
9 |
| Sony Corporation | 31138 |
8 |
| Interdigital Patent Holdings, Inc. | 5288 |
8 |
| Juniper Networks, Inc. | 3703 |
8 |
| Microsoft Technology Licensing, LLC | 53545 |
8 |
| Marvell Asia PTE, Ltd. | 6561 |
8 |
| Cavium International | 5078 |
8 |
| DBSD Corporation | 26 |
8 |
| AT&T Intellectual Property I, L.P. | 9481 |
7 |
| Wsou Investments, LLC | 1007 |
7 |
| Texas Instruments Incorporated | 19482 |
6 |
| Other owners | 417 |