- All sections
- H - Electricity
- H04W - Wireless communication networks
- H04W 12/0471 - Key exchange
Patent holdings for IPC class H04W 12/0471
Total number of patents in this class: 236
10-year publication summary
|
1
|
1
|
1
|
4
|
13
|
41
|
47
|
61
|
45
|
19
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 76576 |
16 |
| Ericsson | 20417 |
11 |
| Apple Inc. | 50209 |
10 |
| Samsung Electronics Co., Ltd. | 131630 |
9 |
| Huawei Technologies Co., Ltd. | 100781 |
9 |
| Leviton Manufacturing Co., Inc. | 844 |
8 |
| NEC Corporation | 32703 |
7 |
| Koninklijke Philips N.V. | 22975 |
6 |
| Winkk, Inc. | 78 |
6 |
| Tile, Inc. | 304 |
5 |
| Canon Inc. | 36841 |
4 |
| Intel Corporation | 45621 |
4 |
| Realtek Semiconductor Corp. | 3028 |
4 |
| AT&T Intellectual Property I, L.P. | 9886 |
3 |
| Texas Instruments Incorporated | 19376 |
3 |
| Cisco Technology, Inc. | 18858 |
3 |
| Brother Industries, Ltd. | 13000 |
3 |
| Bayerische Motoren Werke Aktiengesellschaft | 13126 |
3 |
| AT&T Mobility II LLC | 1982 |
3 |
| Capital One Services, LLC. | 7551 |
3 |
| Other owners | 116 |