- All sections
- H - Electricity
- H04K - Secret communication; jamming of communication
- H04K 1/00 - Secret communication
Patent holdings for IPC class H04K 1/00
Total number of patents in this class: 2009
10-year publication summary
|
79
|
66
|
41
|
43
|
28
|
45
|
25
|
16
|
14
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Malikie Innovations Limited | 7370 |
62 |
| Samsung Electronics Co., Ltd. | 139001 |
37 |
| Microsoft Technology Licensing, LLC | 52886 |
33 |
| Intel Corporation | 46126 |
31 |
| Apple Inc. | 52750 |
28 |
| International Business Machines Corporation | 60129 |
27 |
| Qualcomm Incorporated | 81865 |
26 |
| Cisco Technology, Inc. | 19347 |
26 |
| Nokia Technologies Oy | 16542 |
24 |
| Motorola, Inc. | 2386 |
22 |
| Ericsson | 21144 |
20 |
| Sony Corporation | 31541 |
18 |
| Oracle America, Inc. | 3434 |
17 |
| Panasonic Corporation | 20315 |
16 |
| Magiq Technologies, Inc | 59 |
16 |
| Avago Technologies International Sales Pte. Limited | 8928 |
15 |
| Electronics and Telecommunications Research Institute | 9021 |
14 |
| Huawei Technologies Co., Ltd. | 106762 |
14 |
| NEC Corporation | 34413 |
13 |
| Marvell Asia PTE, Ltd. | 6563 |
13 |
| Other owners | 1537 |