- 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: 2583
10-year publication summary
|
455
|
399
|
245
|
183
|
180
|
155
|
134
|
128
|
114
|
32
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 131630 |
150 |
| ZTE Corporation | 39218 |
139 |
| Huawei Technologies Co., Ltd. | 100781 |
109 |
| Microsoft Technology Licensing, LLC | 51439 |
67 |
| T-Mobile USA, Inc. | 3668 |
67 |
| Apple Inc. | 50209 |
61 |
| Tango Networks, Inc. | 134 |
55 |
| BlackBerry Limited | 5958 |
54 |
| Qualcomm Incorporated | 76576 |
48 |
| LG Electronics Inc. | 69257 |
42 |
| International Business Machines Corporation | 60644 |
37 |
| Verizon Patent And Licensing Inc. | 6900 |
36 |
| Malikie Innovations Limited | 7703 |
34 |
| AT&T Intellectual Property I, L.P. | 9886 |
32 |
| Telefonaktiebolaget LM Ericsson (publ) | 26435 |
28 |
| RingCentral, Inc. | 731 |
27 |
| Motorola Solutions, Inc. | 4355 |
25 |
| Research In Motion Limited | 2283 |
24 |
| Intel Corporation | 45621 |
23 |
| Google LLC | 38759 |
23 |
| Other owners | 1502 |