- 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: 479
10-year publication summary
|
68
|
59
|
54
|
53
|
33
|
37
|
17
|
13
|
17
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saturn Licensing LLC | 1447 |
38 |
| Samsung Electronics Co., Ltd. | 144426 |
18 |
| Sony Corporation | 31138 |
18 |
| Apple Inc. | 54527 |
17 |
| LG Electronics Inc. | 72559 |
17 |
| Sinclair Broadcast Group, Inc. | 52 |
17 |
| DivX, LLC | 297 |
12 |
| Adeia Guides Inc. | 3206 |
11 |
| Qualcomm Incorporated | 84634 |
9 |
| SundaySky Ltd. | 13 |
9 |
| Helios Streaming, LLC | 43 |
9 |
| Destiny Software Productions Inc. | 23 |
8 |
| Google LLC | 41903 |
8 |
| Intel Corporation | 46751 |
7 |
| Nokia Technologies Oy | 17579 |
7 |
| ARRIS Enterprises LLC | 3428 |
7 |
| Comcast Cable Communications, LLC | 4638 |
7 |
| InterDigital CE Patent Holdings, SAS | 1314 |
7 |
| Thomson Licensing | 3667 |
6 |
| Maxell, Ltd. | 2775 |
6 |
| Other owners | 241 |