- 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: 527
10-year publication summary
|
69
|
47
|
63
|
43
|
41
|
39
|
36
|
26
|
28
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 100781 |
65 |
| Nippon Telegraph and Telephone Corporation | 14195 |
34 |
| ZTE Corporation | 39218 |
21 |
| Futurewei Technologies, Inc. | 3708 |
21 |
| Fujitsu Limited | 19265 |
20 |
| Ciena Corporation | 1927 |
20 |
| NEC Corporation | 32703 |
16 |
| Infinera Corporation | 620 |
15 |
| Ericsson | 20417 |
9 |
| Electronics and Telecommunications Research Institute | 8830 |
9 |
| Cisco Technology, Inc. | 18858 |
8 |
| Mitsubishi Electric Corporation | 43934 |
7 |
| Oki Electric Industry Co., Ltd. | 1652 |
7 |
| OSRAM SYLVANIA Inc. | 742 |
7 |
| ARRIS Enterprises LLC | 3432 |
7 |
| Calix, Inc. | 134 |
7 |
| Telefonaktiebolaget LM Ericsson (publ) | 26435 |
7 |
| AT&T Intellectual Property I, L.P. | 9886 |
6 |
| Juniper Networks, Inc. | 3556 |
6 |
| Adtran, Inc. | 443 |
6 |
| Other owners | 229 |