- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/8543 - Content authoring using a description language, e.g. MHEG [Multimedia and Hypermedia information coding Expert Group] or XML [eXtensible Markup Language]
Patent holdings for IPC class H04N 21/8543
Total number of patents in this class: 458
10-year publication summary
|
50
|
68
|
59
|
54
|
53
|
33
|
37
|
17
|
13
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saturn Licensing LLC | 1502 |
37 |
| LG Electronics Inc. | 69257 |
20 |
| Sony Corporation | 32931 |
18 |
| Samsung Electronics Co., Ltd. | 131630 |
17 |
| Apple Inc. | 50209 |
17 |
| Sinclair Broadcast Group, Inc. | 66 |
17 |
| DivX, LLC | 274 |
11 |
| Rovi Guides, Inc. | 3236 |
10 |
| Qualcomm Incorporated | 76576 |
9 |
| SundaySky Ltd. | 13 |
9 |
| Helios Streaming, LLC | 44 |
9 |
| Destiny Software Productions Inc. | 23 |
8 |
| Google LLC | 38759 |
8 |
| Intel Corporation | 45621 |
7 |
| Nokia Technologies Oy | 15057 |
7 |
| ARRIS Enterprises LLC | 3432 |
7 |
| Thomson Licensing | 4027 |
6 |
| Microsoft Technology Licensing, LLC | 51439 |
5 |
| Futurewei Technologies, Inc. | 3708 |
5 |
| CBS Interactive Inc. | 163 |
5 |
| Other owners | 226 |