- All sections
- H - Electricity
- H04W - Wireless communication networks
- H04W 8/28 - Number portability
Patent holdings for IPC class H04W 8/28
Total number of patents in this class: 195
10-year publication summary
|
5
|
18
|
14
|
13
|
26
|
22
|
9
|
10
|
8
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ZTE Corporation | 44374 |
19 |
| Huawei Technologies Co., Ltd. | 124837 |
16 |
| T-Mobile USA, Inc. | 4542 |
9 |
| Qualcomm Incorporated | 93376 |
8 |
| Softrend Ipl, LLC | 10 |
7 |
| Samsung Electronics Co., Ltd. | 159029 |
6 |
| Electronics and Telecommunications Research Institute | 9727 |
6 |
| Cisco Technology, Inc. | 22612 |
5 |
| Verizon Patent And Licensing Inc. | 7677 |
5 |
| Telefonaktiebolaget LM Ericsson (publ) | 28915 |
5 |
| Apple Inc. | 59241 |
4 |
| International Business Machines Corporation | 62805 |
4 |
| Ericsson | 23055 |
4 |
| Nokia Technologies Oy | 21721 |
4 |
| Kona I Co., Ltd. | 44 |
4 |
| NEC Corporation | 37395 |
3 |
| Beijing Xiaomi Mobile Software Co., Ltd. | 15511 |
3 |
| Jio Platforms Limited | 1847 |
3 |
| Prove Identity, Inc. | 157 |
3 |
| Boost SubscriberCo L.L.C. | 980 |
3 |
| Other owners | 74 |