- All sections
- H - Electricity
- H04B - Transmission
- H04B 10/2507 - Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion
Patent holdings for IPC class H04B 10/2507
Total number of patents in this class: 818
10-year publication summary
|
86
|
85
|
75
|
59
|
58
|
77
|
59
|
45
|
35
|
21
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 121192 |
74 |
| NEC Corporation | 36631 |
64 |
| Nippon Telegraph and Telephone Corporation | 15935 |
55 |
| Fujitsu Limited | 16991 |
40 |
| Marvell Asia PTE, Ltd. | 6340 |
26 |
| Ciena Corporation | 2171 |
24 |
| Mitsubishi Electric Corporation | 47722 |
22 |
| Cavium International | 4737 |
21 |
| ARRIS Enterprises LLC | 3421 |
14 |
| Cable Television Laboratories, Inc. | 1081 |
13 |
| Ntt, Inc. | 3779 |
12 |
| Futurewei Technologies, Inc. | 3778 |
11 |
| NTT Electronics Corporation | 257 |
11 |
| 1FINITY Inc. | 1337 |
11 |
| Infinera Corporation | 636 |
10 |
| Cisco Technology, Inc. | 22386 |
9 |
| Attochron, LLC | 71 |
9 |
| Ericsson | 22374 |
8 |
| Google LLC | 44062 |
8 |
| Xieon Networks S.a.r.l. | 162 |
8 |
| Other owners | 368 |