- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/234 - Processing of video elementary streams, e.g. splicing of video streams or manipulating MPEG-4 scene graphs
Patent holdings for IPC class H04N 21/234
Total number of patents in this class: 3975
10-year publication summary
|
63
|
105
|
193
|
335
|
535
|
633
|
708
|
655
|
587
|
420
|
| 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 59901 |
174 |
| Google LLC | 30549 |
155 |
| AT&T Intellectual Property I, L.P. | 10575 |
105 |
| Gracenote, Inc. | 443 |
92 |
| Sony Corporation | 43793 |
83 |
| The Nielsen Company (US), LLC | 2225 |
80 |
| Samsung Electronics Co., Ltd. | 105336 |
79 |
| ARRIS Enterprises LLC | 2729 |
75 |
| Tribune Broadcasting Company, LLC | 289 |
63 |
| International Business Machines Corporation | 73328 |
62 |
| Amazon Technologies, Inc. | 18573 |
62 |
| Comcast Cable Communications, LLC | 2445 |
58 |
| Facebook, Inc. | 8452 |
55 |
| Rovi Guides, Inc. | 1839 |
53 |
| DISH Technologies L.L.C. | 1372 |
48 |
| Microsoft Technology Licensing, LLC | 47447 |
47 |
| Tencent Technology (Shenzhen) Company Limited | 8316 |
47 |
| Huawei Technologies Co., Ltd. | 64555 |
45 |
| Netflix, Inc. | 577 |
45 |
| Disney Enterprises, Inc. | 5459 |
44 |
| Other owners | 2503 |