- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 9/00 - Arrangements for secret or secure communicationsNetwork security protocols
Patent holdings for IPC class H04L 9/00
Total number of patents in this class: 16332
10-year publication summary
|
674
|
679
|
899
|
1168
|
1429
|
1681
|
2113
|
2071
|
1582
|
516
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nchain Licensing AG | 950 |
603 |
| International Business Machines Corporation | 62251 |
506 |
| Microsoft Technology Licensing, LLC | 54241 |
325 |
| Huawei Technologies Co., Ltd. | 120453 |
235 |
| Samsung Electronics Co., Ltd. | 154120 |
232 |
| Intel Corporation | 46681 |
218 |
| Bank of America Corporation | 8203 |
178 |
| Visa International Service Association | 4884 |
156 |
| Google LLC | 43852 |
127 |
| Cisco Technology, Inc. | 22300 |
122 |
| MasterCard International Incorporated | 5305 |
122 |
| Tencent Technology (Shenzhen) Company Limited | 15668 |
118 |
| NEC Corporation | 36656 |
107 |
| Advanced New Technologies Co., Ltd. | 2275 |
107 |
| Malikie Innovations Limited | 6648 |
104 |
| Apple Inc. | 58122 |
102 |
| Amazon Technologies, Inc. | 27726 |
99 |
| Capital One Services, LLC. | 9760 |
98 |
| Cryptography Research, Inc. | 318 |
95 |
| Crypto Lab Inc. | 112 |
89 |
| Other owners | 12589 |