- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/83 - Generation or processing of protective or descriptive data associated with content; Content structuring
Patent holdings for IPC class H04N 21/83
Total number of patents in this class: 196
10-year publication summary
|
27
|
18
|
15
|
19
|
17
|
16
|
15
|
18
|
14
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rovi Guides, Inc. | 3236 |
12 |
| Samsung Electronics Co., Ltd. | 131630 |
9 |
| Sony Corporation | 32931 |
8 |
| NEC Corporation | 32703 |
7 |
| Roku, Inc. | 1151 |
6 |
| The Nielsen Company (US), LLC | 2549 |
5 |
| DISH Technologies L.L.C. | 1666 |
5 |
| AT&T Intellectual Property I, L.P. | 9886 |
4 |
| Panasonic Intellectual Property Corporation of America | 7230 |
4 |
| Dropbox, Inc. | 1374 |
4 |
| ARRIS Enterprises LLC | 3432 |
4 |
| Google LLC | 38759 |
4 |
| Cisco Technology, Inc. | 18858 |
3 |
| Microsoft Technology Licensing, LLC | 51439 |
3 |
| Nippon Telegraph and Telephone Corporation | 14195 |
3 |
| Alphonso Inc. | 57 |
3 |
| Saturn Licensing LLC | 1502 |
3 |
| Tencent America LLC | 2959 |
3 |
| LG Electronics Inc. | 69257 |
2 |
| Google Inc. | 4362 |
2 |
| Other owners | 102 |