- All sections
- H - Electricity
- H04K - Secret communicationjamming of communication
- H04K 1/02 - Secret communication by adding a second signal to make the desired signal unintelligible
Patent holdings for IPC class H04K 1/02
Total number of patents in this class: 594
10-year publication summary
|
41
|
35
|
22
|
23
|
20
|
10
|
14
|
19
|
9
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ericsson | 22717 |
31 |
| Samsung Electronics Co., Ltd. | 157719 |
24 |
| Qualcomm Incorporated | 92196 |
20 |
| Texas Instruments Incorporated | 19672 |
18 |
| Malikie Innovations Limited | 6455 |
14 |
| NEC Corporation | 37004 |
13 |
| Intel Corporation | 47106 |
13 |
| Apple Inc. | 58742 |
12 |
| Huawei Technologies Co., Ltd. | 123385 |
12 |
| Sun Patent Trust | 2006 |
12 |
| Avago Technologies International Sales Pte. Limited | 8558 |
12 |
| Qorvo US, Inc. | 2396 |
11 |
| NXP USA, Inc. | 4401 |
11 |
| Skyworks Solutions, Inc. | 3950 |
9 |
| Xilinx, Inc. | 3942 |
8 |
| Marvell Asia PTE, Ltd. | 6311 |
8 |
| Cavium International | 4666 |
8 |
| Fujitsu Limited | 16874 |
7 |
| Analog Devices, Inc. | 3317 |
6 |
| Nokia Technologies Oy | 21106 |
6 |
| Other owners | 339 |