- 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: 16228
10-year publication summary
|
662
|
668
|
889
|
1149
|
1397
|
1640
|
2069
|
2036
|
1554
|
327
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nchain Licensing AG | 942 |
595 |
| International Business Machines Corporation | 62076 |
507 |
| Microsoft Technology Licensing, LLC | 54220 |
324 |
| Huawei Technologies Co., Ltd. | 119081 |
238 |
| Samsung Electronics Co., Ltd. | 152534 |
230 |
| Intel Corporation | 46625 |
218 |
| Bank of America Corporation | 8071 |
173 |
| Visa International Service Association | 4858 |
157 |
| Google LLC | 43583 |
127 |
| Cisco Technology, Inc. | 22238 |
122 |
| MasterCard International Incorporated | 5272 |
118 |
| Tencent Technology (Shenzhen) Company Limited | 15590 |
113 |
| Advanced New Technologies Co., Ltd. | 2278 |
107 |
| NEC Corporation | 36472 |
105 |
| Malikie Innovations Limited | 6761 |
104 |
| Apple Inc. | 57505 |
102 |
| Amazon Technologies, Inc. | 27588 |
99 |
| Capital One Services, LLC. | 9708 |
98 |
| Cryptography Research, Inc. | 316 |
95 |
| Qualcomm Incorporated | 89428 |
87 |
| Other owners | 12509 |