- All sections
- G - Physics
- G06F - Electric digital data processing
- G06F 21/64 - Protecting data integrity, e.g. using checksums, certificates or signatures
Patent holdings for IPC class G06F 21/64
Total number of patents in this class: 6549
10-year publication summary
|
355
|
433
|
713
|
757
|
788
|
819
|
733
|
681
|
535
|
81
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| International Business Machines Corporation | 61929 |
177 |
| Microsoft Technology Licensing, LLC | 54168 |
168 |
| Nchain Licensing AG | 932 |
133 |
| Intel Corporation | 46569 |
125 |
| Siemens AG | 24278 |
96 |
| Dell Products L.P. | 15870 |
93 |
| Samsung Electronics Co., Ltd. | 151485 |
85 |
| Google LLC | 43436 |
79 |
| Pure Storage, Inc. | 2821 |
75 |
| Huawei Technologies Co., Ltd. | 118145 |
73 |
| Advanced New Technologies Co., Ltd. | 2278 |
73 |
| Nippon Telegraph and Telephone Corporation | 16265 |
68 |
| NEC Corporation | 36448 |
66 |
| Amazon Technologies, Inc. | 27509 |
64 |
| Bank of America Corporation | 8007 |
58 |
| DocuSign, Inc. | 354 |
58 |
| Hewlett-Packard Development Company, L.P. | 25454 |
55 |
| Robert Bosch GmbH | 43294 |
45 |
| Qualcomm Incorporated | 88827 |
42 |
| Alipay (Hangzhou) Information Technology Co., Ltd. | 1374 |
42 |
| Other owners | 4874 |