- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/8405 - Generation or processing of descriptive data, e.g. content descriptors represented by keywords
Patent holdings for IPC class H04N 21/8405
Total number of patents in this class: 319
10-year publication summary
|
36
|
46
|
41
|
33
|
26
|
27
|
25
|
14
|
14
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Adeia Guides Inc. | 3969 |
51 |
| Google LLC | 44674 |
27 |
| Rovi Guides, Inc. | 808 |
16 |
| AT&T Intellectual Property I, L.P. | 10013 |
13 |
| Samsung Electronics Co., Ltd. | 158605 |
12 |
| Roku, Inc. | 1623 |
10 |
| DISH Technologies L.L.C. | 1600 |
10 |
| Microsoft Technology Licensing, LLC | 54524 |
9 |
| DISH Network L.L.C. | 956 |
6 |
| ViaSat, Inc. | 1737 |
6 |
| LG Electronics Inc. | 75910 |
5 |
| Intel Corporation | 47162 |
5 |
| ARRIS Enterprises LLC | 3400 |
5 |
| Saturn Licensing LLC | 1440 |
5 |
| Rovi Product Corporation | 226 |
5 |
| International Business Machines Corporation | 62754 |
4 |
| Verizon Patent And Licensing Inc. | 7672 |
4 |
| LiveU Ltd. | 50 |
4 |
| Datashapes, Inc. | 30 |
4 |
| Sony Corporation | 30097 |
3 |
| Other owners | 115 |