- 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: 3258
10-year publication summary
|
452
|
382
|
339
|
311
|
289
|
256
|
239
|
177
|
152
|
35
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Adeia Guides Inc. | 3696 |
162 |
| Google LLC | 43643 |
106 |
| Roku, Inc. | 1537 |
101 |
| LG Electronics Inc. | 74791 |
89 |
| Sony Corporation | 30481 |
88 |
| Comcast Cable Communications, LLC | 5029 |
82 |
| Samsung Electronics Co., Ltd. | 152914 |
79 |
| The Nielsen Company (US), LLC | 2666 |
76 |
| AT&T Intellectual Property I, L.P. | 9832 |
68 |
| Qualcomm Incorporated | 89782 |
57 |
| DISH Technologies L.L.C. | 1603 |
55 |
| Saturn Licensing LLC | 1446 |
54 |
| Microsoft Technology Licensing, LLC | 54182 |
53 |
| Turner Broadcasting System, Inc. | 285 |
50 |
| Multimedia Technologies Pte, Ltd | 60 |
49 |
| Apple Inc. | 57924 |
42 |
| Sony Group Corporation | 15082 |
41 |
| Amazon Technologies, Inc. | 27637 |
40 |
| Tencent America LLC | 4145 |
40 |
| Canon Inc. | 42088 |
35 |
| Other owners | 1891 |