- All sections
- H - Electricity
- H04B - Transmission
- H04B 10/2513 - Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion due to chromatic dispersion
Patent holdings for IPC class H04B 10/2513
Total number of patents in this class: 368
10-year publication summary
|
34
|
29
|
27
|
33
|
24
|
27
|
23
|
13
|
12
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 118321 |
50 |
| Nippon Telegraph and Telephone Corporation | 16264 |
42 |
| Fujitsu Limited | 17325 |
20 |
| NEC Corporation | 36464 |
16 |
| ZTE Corporation | 43404 |
14 |
| Ciena Corporation | 2089 |
14 |
| Ericsson | 22176 |
9 |
| Telefonaktiebolaget LM Ericsson (publ) | 28539 |
9 |
| Futurewei Technologies, Inc. | 3767 |
7 |
| Cisco Technology, Inc. | 22223 |
6 |
| Mitsubishi Electric Corporation | 47380 |
6 |
| Lumentum Operations LLC | 908 |
6 |
| Ntt, Inc. | 2778 |
6 |
| AT&T Intellectual Property I, L.P. | 9783 |
5 |
| ARRIS Enterprises LLC | 3442 |
5 |
| Cable Television Laboratories, Inc. | 1055 |
5 |
| Videx, Inc. | 68 |
5 |
| Corning Incorporated | 10396 |
4 |
| NTT Electronics Corporation | 258 |
4 |
| Marvell Asia PTE, Ltd. | 6387 |
4 |
| Other owners | 131 |