- All sections
- H - Electricity
- H04M - Telephonic communication
- H04M 17/00 - Prepayment telephone systems
Patent holdings for IPC class H04M 17/00
Total number of patents in this class: 418
10-year publication summary
|
44
|
40
|
39
|
30
|
40
|
31
|
20
|
22
|
7
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 100781 |
29 |
| ZTE Corporation | 39218 |
21 |
| TracFone Wireless, Inc. | 288 |
18 |
| Telefonaktiebolaget LM Ericsson (publ) | 26435 |
18 |
| Ericsson | 20417 |
12 |
| Global Tel*Link Corporation | 431 |
12 |
| Value-Added Communications, Inc. | 20 |
10 |
| EWI Holdings, Inc. | 19 |
9 |
| HomeWAV, LLC | 19 |
9 |
| RingCentral, Inc. | 731 |
8 |
| Kajeet, Inc. | 58 |
8 |
| T-Mobile USA, Inc. | 3668 |
7 |
| Confinement Telephony Technology, LLC | 42 |
6 |
| Lucent Technologies Inc. | 881 |
5 |
| Verizon Patent And Licensing Inc. | 6900 |
5 |
| Tencent Technology (Shenzhen) Company Limited | 12951 |
5 |
| Securus Technologies, LLC | 292 |
5 |
| T-Mobile Innovations LLC | 3213 |
5 |
| Qualcomm Incorporated | 76576 |
4 |
| Nokia Corporation | 6965 |
4 |
| Other owners | 218 |