- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/84 - Generation or processing of descriptive data, e.g. content descriptors
Patent holdings for IPC class H04N 21/84
Total number of patents in this class: 3218
10-year publication summary
|
348
|
452
|
382
|
339
|
311
|
289
|
256
|
239
|
177
|
141
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Adeia Guides Inc. | 3496 |
163 |
| Google LLC | 43094 |
107 |
| Roku, Inc. | 1470 |
100 |
| LG Electronics Inc. | 73772 |
89 |
| Sony Corporation | 30787 |
88 |
| Samsung Electronics Co., Ltd. | 149087 |
78 |
| Comcast Cable Communications, LLC | 4860 |
77 |
| The Nielsen Company (US), LLC | 2649 |
75 |
| AT&T Intellectual Property I, L.P. | 9677 |
68 |
| Qualcomm Incorporated | 87585 |
56 |
| DISH Technologies L.L.C. | 1607 |
55 |
| Microsoft Technology Licensing, LLC | 54319 |
53 |
| Saturn Licensing LLC | 1444 |
53 |
| Turner Broadcasting System, Inc. | 286 |
49 |
| Multimedia Technologies Pte, Ltd | 60 |
49 |
| Amazon Technologies, Inc. | 27237 |
39 |
| Tencent America LLC | 3990 |
39 |
| Sony Group Corporation | 14537 |
39 |
| Apple Inc. | 56283 |
37 |
| Canon Inc. | 41108 |
34 |
| Other owners | 1870 |