- 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: 864
10-year publication summary
|
49
|
52
|
88
|
81
|
107
|
77
|
57
|
59
|
50
|
11
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NEC Corporation | 32703 |
30 |
| Intel Corporation | 45621 |
24 |
| Samsung Electronics Co., Ltd. | 131630 |
19 |
| Apple Inc. | 50209 |
18 |
| Huawei Technologies Co., Ltd. | 100781 |
17 |
| Cisco Technology, Inc. | 18858 |
14 |
| Nippon Telegraph and Telephone Corporation | 14195 |
12 |
| National Institute of Information and Communications Technology | 594 |
11 |
| Malikie Innovations Limited | 7703 |
11 |
| Amazon Technologies, Inc. | 24422 |
10 |
| Microsoft Technology Licensing, LLC | 51439 |
9 |
| Mitsubishi Electric Corporation | 43934 |
8 |
| BlackBerry Limited | 5958 |
7 |
| Qualcomm Incorporated | 76576 |
7 |
| International Business Machines Corporation | 60644 |
7 |
| National University Corporation Hokkaido University | 1323 |
7 |
| Samsung SDS Co., Ltd. | 653 |
7 |
| Robert Bosch GmbH | 40953 |
6 |
| Nokia Technologies Oy | 15057 |
6 |
| Dropbox, Inc. | 1374 |
6 |
| Other owners | 628 |