- 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: 483
10-year publication summary
|
1
|
8
|
26
|
49
|
79
|
64
|
69
|
67
|
81
|
31
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 121789 |
50 |
| Ericsson | 22469 |
40 |
| Samsung Electronics Co., Ltd. | 156250 |
34 |
| Apple Inc. | 58458 |
20 |
| Qualcomm Incorporated | 91402 |
18 |
| Nokia Technologies Oy | 20912 |
17 |
| Beijing Xiaomi Mobile Software Co., Ltd. | 14576 |
15 |
| ZTE Corporation | 43927 |
13 |
| Telefonaktiebolaget LM Ericsson (publ) | 28730 |
10 |
| NEC Corporation | 36726 |
9 |
| Interdigital Patent Holdings, Inc. | 6773 |
8 |
| Intel Corporation | 46854 |
8 |
| Lenovo (Singapore) Pte. Ltd. | 3339 |
8 |
| Cisco Technology, Inc. | 22423 |
7 |
| Brother Industries, Ltd. | 12848 |
6 |
| Orange S.A. | 1635 |
6 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 22935 |
6 |
| Tile, Inc. | 350 |
6 |
| China Mobile Communications Group Co., Ltd. | 2262 |
6 |
| China Mobile Communication Ltd., Research Institute | 1791 |
6 |
| Other owners | 190 |