- 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: 112
10-year publication summary
|
10
|
7
|
11
|
11
|
9
|
5
|
5
|
7
|
3
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Corporation | 32931 |
6 |
| Nokia Corporation | 6965 |
6 |
| E-radio USA Inc. | 17 |
5 |
| Saturn Licensing LLC | 1502 |
5 |
| Intel Corporation | 45621 |
4 |
| Nokia Inc. | 2036 |
4 |
| Maxell, Ltd. | 2533 |
4 |
| Samsung Electronics Co., Ltd. | 131630 |
3 |
| Qualcomm Incorporated | 76576 |
3 |
| Kyocera Corporation | 12735 |
3 |
| Personalized Media Communications, LLC | 103 |
3 |
| SpectraRep, LLC | 7 |
3 |
| Alibaba Group Holding Limited | 7149 |
2 |
| Nagravision S.A. | 626 |
2 |
| The Nielsen Company (US), LLC | 2549 |
2 |
| Maxell Holdings, Ltd. | 1422 |
2 |
| Sharp Kabushiki Kaisha | 18957 |
2 |
| Sony Group Corporation | 10730 |
2 |
| Apple Inc. | 50209 |
1 |
| LG Electronics Inc. | 69257 |
1 |
| Other owners | 49 |