- All sections
- H - Electricity
- H04J - Multiplex communication
- H04J 14/06 - Polarisation multiplex systems
Patent holdings for IPC class H04J 14/06
Total number of patents in this class: 852
10-year publication summary
|
76
|
72
|
78
|
71
|
54
|
41
|
49
|
31
|
43
|
22
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NEC Corporation | 37135 |
111 |
| Huawei Technologies Co., Ltd. | 123867 |
52 |
| Nippon Telegraph and Telephone Corporation | 15934 |
44 |
| Cable Television Laboratories, Inc. | 1104 |
36 |
| Fujitsu Limited | 16860 |
31 |
| Mitsubishi Electric Corporation | 48146 |
26 |
| Ciena Corporation | 2190 |
24 |
| Infinera Corporation | 636 |
24 |
| Alcatel Lucent | 4309 |
18 |
| Ntt, Inc. | 4289 |
16 |
| Google LLC | 44601 |
14 |
| 1FINITY Inc. | 1524 |
14 |
| Ericsson | 22839 |
13 |
| Xieon Networks S.a.r.l. | 160 |
13 |
| Futurewei Technologies, Inc. | 3787 |
12 |
| II-VI Delaware, Inc. | 1623 |
12 |
| Qualcomm Incorporated | 92725 |
11 |
| Fujitsu Optical Components Limited | 298 |
10 |
| Cisco Technology, Inc. | 22547 |
10 |
| Sumitomo Electric Industries, Ltd. | 16412 |
9 |
| Other owners | 352 |