- All sections
- H - Electricity
- H04W - Wireless communication networks
- H04W 84/16 - WPBX [Wireless Private Branch Exchange]
Patent holdings for IPC class H04W 84/16
Total number of patents in this class: 106
10-year publication summary
|
10
|
6
|
10
|
5
|
7
|
9
|
7
|
2
|
2
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tango Networks, Inc. | 134 |
30 |
| NEC Platforms, Ltd. | 1106 |
5 |
| BlackBerry Limited | 5958 |
3 |
| Huawei Technologies Co., Ltd. | 100781 |
3 |
| RingCentral, Inc. | 731 |
3 |
| Samsung Electronics Co., Ltd. | 131630 |
2 |
| Cisco Technology, Inc. | 18858 |
2 |
| Verizon Patent And Licensing Inc. | 6900 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
2 |
| Norwood Systems Pty Ltd | 13 |
2 |
| Spot On Networks, LLC | 6 |
2 |
| Vonage Business Inc. | 171 |
2 |
| Alcatel Lucent | 4720 |
2 |
| Telefonaktiebolaget LM Ericsson (publ) | 26435 |
2 |
| Apple Inc. | 50209 |
1 |
| Qualcomm Incorporated | 76576 |
1 |
| Interdigital Patent Holdings, Inc. | 3652 |
1 |
| Konica Minolta, Inc. | 8349 |
1 |
| ZTE Corporation | 39218 |
1 |
| Nextel Communications Inc. | 137 |
1 |
| Other owners | 38 |