- 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: 4207
10-year publication summary
|
105
|
193
|
337
|
536
|
636
|
712
|
676
|
605
|
592
|
95
|
| 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 61477 |
175 |
| Google LLC | 31745 |
170 |
| AT&T Intellectual Property I, L.P. | 10770 |
113 |
| The Nielsen Company (US), LLC | 2162 |
107 |
| Gracenote, Inc. | 472 |
105 |
| Sony Corporation | 43704 |
85 |
| Samsung Electronics Co., Ltd. | 107772 |
81 |
| ARRIS Enterprises LLC | 2803 |
77 |
| Amazon Technologies, Inc. | 19545 |
74 |
| International Business Machines Corporation | 72126 |
65 |
| Rovi Guides, Inc. | 2056 |
61 |
| Facebook, Inc. | 8487 |
57 |
| Comcast Cable Communications, LLC | 2506 |
57 |
| Tribune Broadcasting Company, LLC | 274 |
57 |
| Netflix, Inc. | 626 |
56 |
| DISH Technologies L.L.C. | 1389 |
53 |
| Huawei Technologies Co., Ltd. | 68534 |
50 |
| Tencent Technology (Shenzhen) Company Limited | 8762 |
50 |
| Microsoft Technology Licensing, LLC | 48171 |
47 |
| Disney Enterprises, Inc. | 5524 |
44 |
| Other owners | 2623 |