- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 9/12 - Transmitting and receiving encryption devices synchronised or initially set up in a particular manner
Patent holdings for IPC class H04L 9/12
Total number of patents in this class: 883
10-year publication summary
|
52
|
88
|
81
|
107
|
78
|
59
|
62
|
57
|
46
|
24
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NEC Corporation | 35521 |
41 |
| Intel Corporation | 46949 |
25 |
| Samsung Electronics Co., Ltd. | 145416 |
19 |
| Apple Inc. | 54658 |
17 |
| National Institute of Information and Communications Technology | 629 |
17 |
| Huawei Technologies Co., Ltd. | 111975 |
16 |
| Nippon Telegraph and Telephone Corporation | 17275 |
15 |
| Cisco Technology, Inc. | 19860 |
14 |
| Amazon Technologies, Inc. | 26591 |
10 |
| Malikie Innovations Limited | 7163 |
10 |
| Microsoft Technology Licensing, LLC | 53649 |
9 |
| National University Corporation Hokkaido University | 1341 |
9 |
| Qualcomm Incorporated | 84971 |
8 |
| Mitsubishi Electric Corporation | 45962 |
8 |
| Efficient Auctions LLC | 15 |
8 |
| BlackBerry Limited | 5155 |
7 |
| Samsung SDS Co., Ltd. | 725 |
7 |
| International Business Machines Corporation | 61207 |
6 |
| Robert Bosch GmbH | 42632 |
6 |
| Nokia Technologies Oy | 17651 |
6 |
| Other owners | 625 |