- All sections
- H - Electricity
- H04W - Wireless communication networks
- H04W 12/0433 - Key management protocols
Patent holdings for IPC class H04W 12/0433
Total number of patents in this class: 509
10-year publication summary
|
1
|
8
|
26
|
49
|
79
|
64
|
69
|
67
|
81
|
56
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 125590 |
50 |
| Ericsson | 23125 |
41 |
| Samsung Electronics Co., Ltd. | 159755 |
35 |
| Apple Inc. | 59479 |
21 |
| Qualcomm Incorporated | 93957 |
20 |
| Nokia Technologies Oy | 22034 |
18 |
| Beijing Xiaomi Mobile Software Co., Ltd. | 15791 |
17 |
| ZTE Corporation | 44368 |
13 |
| Lenovo (Singapore) Pte. Ltd. | 3404 |
11 |
| Interdigital Patent Holdings, Inc. | 7328 |
10 |
| Telefonaktiebolaget LM Ericsson (publ) | 29015 |
10 |
| NEC Corporation | 37563 |
9 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 23856 |
8 |
| Cisco Technology, Inc. | 22668 |
7 |
| LG Electronics Inc. | 76328 |
6 |
| Brother Industries, Ltd. | 12862 |
6 |
| Orange S.A. | 1690 |
6 |
| Tile, Inc. | 353 |
6 |
| China Mobile Communications Group Co., Ltd. | 2404 |
6 |
| China Mobile Communication Ltd., Research Institute | 1903 |
6 |
| Other owners | 203 |