- 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: 2643
10-year publication summary
|
73
|
126
|
184
|
319
|
296
|
352
|
450
|
370
|
310
|
241
|
| 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 60278 |
160 |
| Sony Corporation | 44071 |
121 |
| AT&T Intellectual Property I, L.P. | 10648 |
108 |
| Rovi Guides, Inc. | 1894 |
103 |
| Samsung Electronics Co., Ltd. | 106070 |
82 |
| Google LLC | 30936 |
73 |
| Broadband Itv, Inc. | 77 |
62 |
| The Nielsen Company (US), LLC | 2185 |
54 |
| DISH Technologies L.L.C. | 1376 |
54 |
| Gracenote, Inc. | 447 |
51 |
| Flextronics AP, LLC | 604 |
47 |
| Microsoft Technology Licensing, LLC | 47885 |
46 |
| Saturn Licensing LLC | 1588 |
40 |
| Qualcomm Incorporated | 59551 |
39 |
| International Business Machines Corporation | 73714 |
37 |
| Comcast Cable Communications, LLC | 2479 |
34 |
| Tribune Broadcasting Company, LLC | 289 |
30 |
| Verizon Patent And Licensing Inc. | 5315 |
28 |
| Apple Inc. | 37543 |
26 |
| Amazon Technologies, Inc. | 18800 |
26 |
| Other owners | 1422 |