- 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: 2657
10-year publication summary
|
210
|
168
|
151
|
180
|
139
|
122
|
145
|
90
|
62
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 119637 |
225 |
| NEC Corporation | 36566 |
207 |
| Nippon Telegraph and Telephone Corporation | 16237 |
90 |
| Ciena Corporation | 2105 |
81 |
| Futurewei Technologies, Inc. | 3771 |
76 |
| Fujitsu Limited | 17129 |
74 |
| ZTE Corporation | 43546 |
66 |
| Cisco Technology, Inc. | 22242 |
58 |
| Ericsson | 22247 |
52 |
| Mitsubishi Electric Corporation | 47522 |
51 |
| AT&T Intellectual Property I, L.P. | 9832 |
43 |
| Infinera Corporation | 639 |
43 |
| Cable Television Laboratories, Inc. | 1065 |
37 |
| Juniper Networks, Inc. | 3785 |
34 |
| Panasonic Intellectual Property Corporation of America | 7065 |
30 |
| Intel Corporation | 46673 |
28 |
| Google LLC | 43671 |
27 |
| Electronics and Telecommunications Research Institute | 9495 |
24 |
| Lumentum Operations LLC | 905 |
24 |
| ARRIS Enterprises LLC | 3436 |
21 |
| Other owners | 1366 |