- 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: 166
10-year publication summary
|
13
|
18
|
7
|
11
|
6
|
11
|
6
|
7
|
6
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 90109 |
26 |
| LG Electronics Inc. | 74953 |
15 |
| Panasonic Intellectual Property Corporation of America | 7073 |
10 |
| Samsung Electronics Co., Ltd. | 153573 |
6 |
| NTT DoCoMo, Inc. | 14250 |
6 |
| International Business Machines Corporation | 62182 |
5 |
| Huawei Technologies Co., Ltd. | 119891 |
5 |
| Ericsson | 22283 |
4 |
| Murata Manufacturing Co., Ltd. | 25506 |
4 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 47211 |
3 |
| Ciena Corporation | 2120 |
3 |
| Nippon Telegraph and Telephone Corporation | 16002 |
3 |
| Hewlett Packard Enterprise Development LP | 10864 |
3 |
| Cellphone-Mate, Inc. | 48 |
3 |
| Apple Inc. | 58049 |
2 |
| AT&T Intellectual Property I, L.P. | 9831 |
2 |
| Cisco Technology, Inc. | 22256 |
2 |
| Futurewei Technologies, Inc. | 3771 |
2 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 22526 |
2 |
| Innophase Inc. | 101 |
2 |
| Other owners | 58 |