- All sections
- H - Electricity
- H04W - Wireless communication networks
- H04W 4/16 - Communication-related supplementary services, e.g. call-transfer or call-hold
Patent holdings for IPC class H04W 4/16
Total number of patents in this class: 2552
10-year publication summary
|
242
|
179
|
175
|
151
|
132
|
130
|
116
|
91
|
91
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 151485 |
160 |
| ZTE Corporation | 43386 |
140 |
| Huawei Technologies Co., Ltd. | 118145 |
105 |
| T-Mobile USA, Inc. | 4328 |
75 |
| Apple Inc. | 57166 |
65 |
| Microsoft Technology Licensing, LLC | 54168 |
65 |
| Tango Networks, Inc. | 139 |
56 |
| Qualcomm Incorporated | 88827 |
48 |
| LG Electronics Inc. | 74388 |
42 |
| BlackBerry Limited | 5123 |
39 |
| Verizon Patent And Licensing Inc. | 7409 |
38 |
| International Business Machines Corporation | 61929 |
32 |
| Malikie Innovations Limited | 6799 |
29 |
| RingCentral, Inc. | 778 |
27 |
| First Orion Corp. | 178 |
27 |
| AT&T Intellectual Property I, L.P. | 9769 |
26 |
| Motorola Solutions, Inc. | 4511 |
26 |
| Telefonaktiebolaget LM Ericsson (publ) | 28541 |
24 |
| Honor Device Co., Ltd. | 6115 |
24 |
| Intel Corporation | 46569 |
23 |
| Other owners | 1481 |