- All sections
- H - Electricity
- H04H - Broadcast communication
- H04H 60/23 - Arrangements for conditional access to broadcast information or to broadcast-related services using cryptography, e.g. encryption, authentication or key distribution
Patent holdings for IPC class H04H 60/23
Total number of patents in this class: 88
10-year publication summary
|
11
|
9
|
9
|
5
|
5
|
6
|
4
|
4
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Corporation | 30397 |
6 |
| Saturn Licensing LLC | 1449 |
5 |
| Maxell, Ltd. | 2945 |
5 |
| Kyocera Corporation | 14242 |
3 |
| SpectraRep, LLC | 7 |
3 |
| Contentnexus LLC | 96 |
3 |
| Samsung Electronics Co., Ltd. | 153845 |
2 |
| Qualcomm Incorporated | 90221 |
2 |
| Alibaba Group Holding Limited | 6910 |
2 |
| Sharp Corporation | 10467 |
2 |
| Cisco Technology, Inc. | 22278 |
2 |
| E-radio USA Inc. | 11 |
2 |
| Nagravision S.A. | 536 |
2 |
| Maxell Holdings, Ltd. | 1263 |
2 |
| Sharp Kabushiki Kaisha | 18605 |
2 |
| Sony Group Corporation | 15170 |
2 |
| Apple Inc. | 58074 |
1 |
| LG Electronics Inc. | 74968 |
1 |
| International Business Machines Corporation | 62220 |
1 |
| Ericsson | 22292 |
1 |
| Other owners | 39 |