- 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: 206
10-year publication summary
|
10
|
15
|
4
|
6
|
15
|
5
|
3
|
8
|
3
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BlackBerry Limited | 5351 |
6 |
| Huawei Technologies Co., Ltd. | 114462 |
6 |
| Telefonaktiebolaget LM Ericsson (publ) | 28377 |
6 |
| Qualcomm Incorporated | 86990 |
5 |
| LG Electronics Inc. | 73714 |
4 |
| Panasonic Corporation | 20018 |
4 |
| Intel Corporation | 46921 |
4 |
| Sony Corporation | 30901 |
3 |
| Motorola Solutions, Inc. | 4514 |
3 |
| Afero, Inc. | 155 |
3 |
| National Institute of Information and Communications Technology | 639 |
3 |
| Alcatel Lucent | 4505 |
3 |
| Samsung Electronics Co., Ltd. | 148077 |
2 |
| NEC Corporation | 36129 |
2 |
| Robert Bosch GmbH | 42861 |
2 |
| Cisco Technology, Inc. | 22061 |
2 |
| Mitsubishi Electric Corporation | 46618 |
2 |
| Kyocera Corporation | 13997 |
2 |
| Amazon Technologies, Inc. | 27060 |
2 |
| PayPal, Inc. | 4134 |
2 |
| Other owners | 140 |