- 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: 468
10-year publication summary
68
|
59
|
54
|
53
|
33
|
37
|
17
|
13
|
16
|
2
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Saturn Licensing LLC | 1476 |
38 |
Sony Corporation | 31565 |
18 |
Samsung Electronics Co., Ltd. | 138518 |
17 |
Apple Inc. | 52607 |
17 |
LG Electronics Inc. | 70898 |
17 |
Sinclair Broadcast Group, Inc. | 62 |
17 |
DivX, LLC | 285 |
11 |
Adeia Guides Inc. | 2817 |
10 |
Qualcomm Incorporated | 81413 |
9 |
SundaySky Ltd. | 13 |
9 |
Helios Streaming, LLC | 43 |
9 |
Destiny Software Productions Inc. | 23 |
8 |
Google LLC | 40754 |
8 |
Intel Corporation | 46097 |
7 |
Nokia Technologies Oy | 16490 |
7 |
ARRIS Enterprises LLC | 3441 |
7 |
Thomson Licensing | 3807 |
6 |
Comcast Cable Communications, LLC | 4430 |
6 |
Maxell, Ltd. | 2649 |
6 |
Microsoft Technology Licensing, LLC | 52891 |
5 |
Other owners | 236 |