- 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: 554
10-year publication summary
|
51
|
61
|
67
|
58
|
50
|
44
|
40
|
41
|
22
|
27
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Telegraph and Telephone Corporation | 16683 |
48 |
| Corning Incorporated | 10382 |
31 |
| NEC Corporation | 36267 |
26 |
| AT&T Intellectual Property I, L.P. | 9657 |
20 |
| Institut Mines-telecom | 272 |
19 |
| Cisco Technology, Inc. | 22105 |
17 |
| Nxgen Partners IP, LLC | 137 |
16 |
| Huawei Technologies Co., Ltd. | 115366 |
15 |
| Panduit Corp. | 1017 |
10 |
| Alcatel Lucent | 4484 |
10 |
| Sumitomo Electric Industries, Ltd. | 15732 |
8 |
| CommScope Technologies LLC | 3263 |
7 |
| Draka Comteq, B.V. | 250 |
7 |
| Hewlett Packard Enterprise Development LP | 10767 |
6 |
| Cailabs | 52 |
6 |
| Subcom, LLC | 151 |
6 |
| Alcatel Lucent SA | 1568 |
5 |
| Ciena Corporation | 2058 |
5 |
| Xieon Networks S.a.r.l. | 163 |
5 |
| Sony Group Corporation | 14474 |
5 |
| Other owners | 282 |