- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 9/00 - Arrangements for secret or secure communications; Network security protocols
Patent holdings for IPC class H04L 9/00
Total number of patents in this class: 13623
10-year publication summary
|
537
|
598
|
672
|
672
|
879
|
1094
|
1260
|
1347
|
1672
|
577
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| International Business Machines Corporation | 60644 |
429 |
| Microsoft Technology Licensing, LLC | 51439 |
300 |
| Nchain Licensing AG | 612 |
278 |
| Huawei Technologies Co., Ltd. | 100781 |
225 |
| Samsung Electronics Co., Ltd. | 131630 |
195 |
| Intel Corporation | 45621 |
194 |
| Cisco Technology, Inc. | 18858 |
154 |
| Malikie Innovations Limited | 7703 |
136 |
| Google LLC | 38759 |
125 |
| Advanced New Technologies Co., Ltd. | 2617 |
118 |
| Visa International Service Association | 4194 |
106 |
| Apple Inc. | 50209 |
100 |
| Amazon Technologies, Inc. | 24422 |
91 |
| NEC Corporation | 32703 |
90 |
| Cryptography Research, Inc. | 282 |
88 |
| Qualcomm Incorporated | 76576 |
87 |
| Bank of America Corporation | 6495 |
82 |
| Koninklijke Philips N.V. | 22975 |
80 |
| JPMorgan Chase Bank, National Association | 10964 |
75 |
| MasterCard International Incorporated | 4846 |
71 |
| Other owners | 10599 |