- All sections
- H - Electricity
- H04J - Multiplex communication
- H04J 1/02 - Frequency-division multiplex systems Details
Patent holdings for IPC class H04J 1/02
Total number of patents in this class: 184
10-year publication summary
|
6
|
13
|
18
|
7
|
11
|
6
|
11
|
6
|
7
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 85550 |
26 |
| LG Electronics Inc. | 73210 |
14 |
| Panasonic Intellectual Property Corporation of America | 6793 |
10 |
| NTT DoCoMo, Inc. | 13067 |
7 |
| Samsung Electronics Co., Ltd. | 146534 |
6 |
| International Business Machines Corporation | 61287 |
5 |
| Huawei Technologies Co., Ltd. | 113006 |
5 |
| Ericsson | 21778 |
4 |
| Murata Manufacturing Co., Ltd. | 24575 |
4 |
| Matsushita Electric Industrial Co., Ltd. | 1440 |
3 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 42863 |
3 |
| Ciena Corporation | 2037 |
3 |
| Nippon Telegraph and Telephone Corporation | 17349 |
3 |
| Hewlett Packard Enterprise Development LP | 10727 |
3 |
| Cellphone-Mate, Inc. | 50 |
3 |
| Sharp Kabushiki Kaisha | 18738 |
3 |
| Apple Inc. | 55017 |
2 |
| AT&T Intellectual Property I, L.P. | 9520 |
2 |
| Cisco Technology, Inc. | 19950 |
2 |
| Mitsubishi Electric Corporation | 46160 |
2 |
| Other owners | 74 |