- All sections
- H - Electricity
- H04J - Multiplex communication
- H04J 14/08 - Time-division multiplex systems
Patent holdings for IPC class H04J 14/08
Total number of patents in this class: 535
10-year publication summary
|
47
|
63
|
43
|
41
|
39
|
36
|
26
|
30
|
16
|
18
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 112690 |
69 |
| Nippon Telegraph and Telephone Corporation | 17346 |
37 |
| ZTE Corporation | 42486 |
21 |
| Ciena Corporation | 2034 |
21 |
| Futurewei Technologies, Inc. | 3756 |
21 |
| Fujitsu Limited | 18366 |
19 |
| Infinera Corporation | 636 |
18 |
| NEC Corporation | 35687 |
13 |
| Electronics and Telecommunications Research Institute | 9394 |
11 |
| Ericsson | 21759 |
9 |
| Mitsubishi Electric Corporation | 46127 |
9 |
| Cisco Technology, Inc. | 19929 |
7 |
| Oki Electric Industry Co., Ltd. | 1588 |
7 |
| OSRAM SYLVANIA Inc. | 681 |
7 |
| ARRIS Enterprises LLC | 3434 |
7 |
| Cable Television Laboratories, Inc. | 998 |
7 |
| Calix, Inc. | 136 |
7 |
| Telefonaktiebolaget LM Ericsson (publ) | 27967 |
7 |
| AT&T Intellectual Property I, L.P. | 9515 |
6 |
| Juniper Networks, Inc. | 3735 |
6 |
| Other owners | 226 |