- All sections
- G - Physics
- G09C - Ciphering or deciphering apparatus for cryptographic or other purposes involving the need for secrecy
- G09C 5/00 - Ciphering or deciphering apparatus or methods not provided for in other groups of this subclass, e.g. involving the concealment or deformation of graphic data such as designs, written or printed messages
Patent holdings for IPC class G09C 5/00
Total number of patents in this class: 447
10-year publication summary
|
66
|
52
|
73
|
47
|
32
|
32
|
12
|
12
|
19
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BlackBerry Limited | 5169 |
12 |
| Certicom Corp. | 87 |
11 |
| Malikie Innovations Limited | 7194 |
9 |
| Hewlett-Packard Development Company, L.P. | 25954 |
8 |
| Fujitsu Limited | 18356 |
8 |
| Digimarc Corporation | 740 |
8 |
| Sony Corporation | 31148 |
7 |
| Arizona Board of Regents, a Body Corporate of The State of Arizona Acting for and on Behalf of Arizona State University | 290 |
6 |
| ASML Netherlands B.V. | 7312 |
5 |
| JPMorgan Chase Bank, National Association | 8537 |
5 |
| Ping Identity Corporation | 149 |
5 |
| Tencent Technology (Shenzhen) Company Limited | 14547 |
5 |
| Hydragraphix LLC | 36 |
5 |
| International Business Machines Corporation | 61023 |
4 |
| Merck Patent GmbH | 5850 |
4 |
| PayPal, Inc. | 4058 |
4 |
| ARM Limited | 4621 |
4 |
| Visa International Service Association | 4514 |
4 |
| Google LLC | 41828 |
4 |
| Skeyecode | 6 |
4 |
| Other owners | 325 |