- All sections
- H - Electricity
- H04K - Secret communicationjamming of communication
- H04K 1/00 - Secret communication
Patent holdings for IPC class H04K 1/00
Total number of patents in this class: 1770
10-year publication summary
|
79
|
66
|
41
|
42
|
25
|
45
|
26
|
16
|
15
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Malikie Innovations Limited | 6931 |
60 |
| Samsung Electronics Co., Ltd. | 149198 |
37 |
| Microsoft Technology Licensing, LLC | 54340 |
31 |
| Intel Corporation | 46471 |
30 |
| Qualcomm Incorporated | 87720 |
25 |
| International Business Machines Corporation | 61747 |
23 |
| Cisco Technology, Inc. | 22107 |
23 |
| Apple Inc. | 56466 |
22 |
| Nokia Technologies Oy | 19221 |
22 |
| Ericsson | 22003 |
19 |
| Electronics and Telecommunications Research Institute | 9359 |
14 |
| Huawei Technologies Co., Ltd. | 116003 |
14 |
| Motorola, Inc. | 1771 |
14 |
| Sony Corporation | 30769 |
13 |
| NEC Corporation | 36282 |
13 |
| Panasonic Corporation | 19952 |
12 |
| Oracle America, Inc. | 2884 |
12 |
| Motorola Solutions, Inc. | 4510 |
12 |
| Visa U.S.A. Inc. | 581 |
12 |
| Avago Technologies International Sales Pte. Limited | 8653 |
12 |
| Other owners | 1350 |