- All sections
- H - Electricity
- H04J - Multiplex communication
- H04J 14/00 - Optical multiplex systems
Patent holdings for IPC class H04J 14/00
Total number of patents in this class: 2645
10-year publication summary
|
238
|
213
|
170
|
152
|
184
|
139
|
117
|
127
|
54
|
29
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 111237 |
218 |
| NEC Corporation | 35424 |
196 |
| Fujitsu Limited | 18362 |
97 |
| Nippon Telegraph and Telephone Corporation | 17207 |
93 |
| Ciena Corporation | 2020 |
81 |
| Futurewei Technologies, Inc. | 3749 |
77 |
| ZTE Corporation | 42052 |
64 |
| Cisco Technology, Inc. | 19655 |
58 |
| Ericsson | 21622 |
52 |
| Mitsubishi Electric Corporation | 45860 |
49 |
| AT&T Intellectual Property I, L.P. | 9481 |
42 |
| Infinera Corporation | 641 |
40 |
| Cable Television Laboratories, Inc. | 989 |
35 |
| Juniper Networks, Inc. | 3703 |
34 |
| Intel Corporation | 46751 |
32 |
| Panasonic Intellectual Property Corporation of America | 7622 |
29 |
| Google LLC | 41903 |
26 |
| Electronics and Telecommunications Research Institute | 9358 |
24 |
| ARRIS Enterprises LLC | 3428 |
23 |
| Avago Technologies International Sales Pte. Limited | 8829 |
23 |
| Other owners | 1352 |