- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 9/18 - Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems
Patent holdings for IPC class H04L 9/18
Total number of patents in this class: 193
10-year publication summary
|
17
|
5
|
9
|
16
|
5
|
3
|
9
|
3
|
4
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BlackBerry Limited | 4875 |
6 |
| Huawei Technologies Co., Ltd. | 124115 |
6 |
| Qualcomm Incorporated | 92859 |
5 |
| Panasonic Corporation | 18849 |
4 |
| Telefonaktiebolaget LM Ericsson (publ) | 28872 |
4 |
| LG Electronics Inc. | 75855 |
3 |
| Sony Corporation | 30111 |
3 |
| Intel Corporation | 47178 |
3 |
| Motorola Solutions, Inc. | 4581 |
3 |
| Afero, Inc. | 159 |
3 |
| National Institute of Information and Communications Technology | 666 |
3 |
| Alcatel Lucent | 4308 |
3 |
| Samsung Electronics Co., Ltd. | 158442 |
2 |
| NEC Corporation | 37168 |
2 |
| Robert Bosch GmbH | 44254 |
2 |
| Mitsubishi Electric Corporation | 48172 |
2 |
| Amazon Technologies, Inc. | 28193 |
2 |
| PayPal, Inc. | 4355 |
2 |
| ZTE Corporation | 44255 |
2 |
| Agency for Science, Technology and Research | 3749 |
2 |
| Other owners | 131 |