- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 9/32 - Arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system
Patent holdings for IPC class H04L 9/32
Total number of patents in this class: 37590
10-year publication summary
1893
|
2108
|
2441
|
2922
|
3501
|
4412
|
4935
|
4587
|
4038
|
1635
|
2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
International Business Machines Corporation | 63228 |
996 |
Microsoft Technology Licensing, LLC | 48394 |
898 |
Intel Corporation | 46080 |
795 |
Huawei Technologies Co., Ltd. | 91895 |
616 |
Amazon Technologies, Inc. | 23321 |
568 |
Samsung Electronics Co., Ltd. | 123537 |
565 |
Advanced New Technologies Co., Ltd. | 2703 |
538 |
Visa International Service Association | 3926 |
508 |
Cisco Technology, Inc. | 18706 |
403 |
Google LLC | 36075 |
389 |
BlackBerry Limited | 12254 |
354 |
Apple Inc. | 46297 |
351 |
NEC Corporation | 30716 |
348 |
MasterCard International Incorporated | 4718 |
293 |
Capital One Services, LLC. | 6227 |
292 |
Siemens AG | 26167 |
264 |
Qualcomm Incorporated | 70412 |
256 |
Bank of America Corporation | 5870 |
246 |
Sony Corporation | 35923 |
241 |
Nchain Licensing AG | 400 |
241 |
Other owners | 28428 |