- 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: 2674
10-year publication summary
|
126
|
184
|
319
|
298
|
354
|
451
|
375
|
317
|
301
|
40
|
| 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 61477 |
145 |
| Sony Corporation | 43704 |
124 |
| Rovi Guides, Inc. | 2056 |
113 |
| AT&T Intellectual Property I, L.P. | 10770 |
105 |
| Samsung Electronics Co., Ltd. | 107772 |
80 |
| Google LLC | 31745 |
75 |
| The Nielsen Company (US), LLC | 2162 |
65 |
| Broadband Itv, Inc. | 79 |
64 |
| DISH Technologies L.L.C. | 1389 |
56 |
| Gracenote, Inc. | 472 |
53 |
| Microsoft Technology Licensing, LLC | 48171 |
46 |
| Flextronics AP, LLC | 603 |
46 |
| Qualcomm Incorporated | 59101 |
41 |
| Saturn Licensing LLC | 1558 |
40 |
| International Business Machines Corporation | 72126 |
35 |
| Comcast Cable Communications, LLC | 2506 |
35 |
| Apple Inc. | 38919 |
30 |
| Verizon Patent And Licensing Inc. | 5436 |
29 |
| Tribune Broadcasting Company, LLC | 274 |
28 |
| The DIRECTV Group, Inc. | 1089 |
27 |
| Other owners | 1437 |