- 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: 894
10-year publication summary
|
84
|
78
|
102
|
77
|
54
|
63
|
59
|
47
|
39
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NEC Corporation | 36472 |
41 |
| Intel Corporation | 46625 |
23 |
| National Institute of Information and Communications Technology | 639 |
20 |
| Samsung Electronics Co., Ltd. | 152534 |
19 |
| Huawei Technologies Co., Ltd. | 119081 |
18 |
| Apple Inc. | 57505 |
17 |
| Nippon Telegraph and Telephone Corporation | 16263 |
15 |
| Cisco Technology, Inc. | 22238 |
14 |
| Amazon Technologies, Inc. | 27588 |
10 |
| National University Corporation Hokkaido University | 1350 |
10 |
| Mitsubishi Electric Corporation | 47461 |
9 |
| Microsoft Technology Licensing, LLC | 54220 |
9 |
| Malikie Innovations Limited | 6761 |
9 |
| Qualcomm Incorporated | 89428 |
8 |
| Efficient Auctions LLC | 15 |
8 |
| Samsung SDS Co., Ltd. | 806 |
7 |
| BlackBerry Limited | 5104 |
6 |
| International Business Machines Corporation | 62076 |
6 |
| Robert Bosch GmbH | 43428 |
6 |
| Dropbox, Inc. | 1601 |
6 |
| Other owners | 633 |