- 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: 2279
10-year publication summary
|
109
|
79
|
66
|
41
|
43
|
28
|
45
|
23
|
14
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Malikie Innovations Limited | 7703 |
65 |
| Samsung Electronics Co., Ltd. | 131630 |
42 |
| Microsoft Technology Licensing, LLC | 51439 |
38 |
| Cisco Technology, Inc. | 18858 |
33 |
| Intel Corporation | 45621 |
31 |
| International Business Machines Corporation | 60644 |
30 |
| Qualcomm Incorporated | 76576 |
29 |
| Motorola, Inc. | 2873 |
29 |
| Nokia Technologies Oy | 15057 |
29 |
| Apple Inc. | 50209 |
28 |
| Ericsson | 20417 |
21 |
| Oracle America, Inc. | 3928 |
21 |
| Sony Corporation | 32931 |
20 |
| Magiq Technologies, Inc | 77 |
20 |
| Avago Technologies International Sales Pte. Limited | 9260 |
19 |
| Panasonic Corporation | 20786 |
18 |
| Hewlett-Packard Development Company, L.P. | 28538 |
16 |
| Huawei Technologies Co., Ltd. | 100781 |
16 |
| Google LLC | 38759 |
16 |
| NEC Corporation | 32703 |
15 |
| Other owners | 1743 |