- All sections
- H - Electricity
- H04B - Transmission
- H04B 10/272 - Star-type networks
Patent holdings for IPC class H04B 10/272
Total number of patents in this class: 559
10-year publication summary
|
48
|
48
|
45
|
37
|
29
|
33
|
36
|
31
|
19
|
21
|
| 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 | 17365 |
80 |
| Huawei Technologies Co., Ltd. | 113340 |
62 |
| Mitsubishi Electric Corporation | 46295 |
31 |
| ZTE Corporation | 42628 |
30 |
| Sumitomo Electric Industries, Ltd. | 15557 |
27 |
| ARRIS Enterprises LLC | 3465 |
19 |
| Futurewei Technologies, Inc. | 3757 |
12 |
| Electronics and Telecommunications Research Institute | 9413 |
11 |
| Telefonaktiebolaget LM Ericsson (publ) | 28179 |
11 |
| Radius Universal LLC | 20 |
10 |
| Ericsson | 21833 |
9 |
| Nokia Siemens Networks Oy | 1536 |
9 |
| Xieon Networks S.a.r.l. | 163 |
8 |
| AT&T Intellectual Property I, L.P. | 9550 |
7 |
| Fujitsu Limited | 18396 |
7 |
| Adtran, Inc. | 422 |
7 |
| Calix, Inc. | 136 |
7 |
| Avago Technologies International Sales Pte. Limited | 8731 |
7 |
| Alcatel Lucent | 4527 |
7 |
| Frontier Communications Holdings, LLC | 109 |
7 |
| Other owners | 191 |