- All sections
- H - Electricity
- H04B - Transmission
- H04B 10/2581 - Multimode transmission
Patent holdings for IPC class H04B 10/2581
Total number of patents in this class: 521
10-year publication summary
|
40
|
51
|
62
|
67
|
58
|
52
|
44
|
39
|
40
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Telegraph and Telephone Corporation | 14195 |
46 |
| Corning Incorporated | 9932 |
29 |
| NEC Corporation | 32703 |
24 |
| AT&T Intellectual Property I, L.P. | 9886 |
19 |
| Institut Mines-telecom | 253 |
19 |
| Nxgen Partners IP, LLC | 132 |
15 |
| Cisco Technology, Inc. | 18858 |
14 |
| Huawei Technologies Co., Ltd. | 100781 |
13 |
| Alcatel Lucent | 4720 |
10 |
| Sumitomo Electric Industries, Ltd. | 14131 |
8 |
| Panduit Corp. | 1007 |
8 |
| CommScope Technologies LLC | 4937 |
7 |
| Draka Comteq, B.V. | 275 |
7 |
| Hewlett Packard Enterprise Development LP | 10702 |
6 |
| Alcatel Lucent SA | 1723 |
5 |
| Cailabs | 44 |
5 |
| Xieon Networks S.a.r.l. | 172 |
5 |
| Kyndryl, Inc. | 3161 |
5 |
| Intel Corporation | 45621 |
4 |
| Ciena Corporation | 1927 |
4 |
| Other owners | 268 |