- 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: 495
10-year publication summary
|
59
|
54
|
53
|
33
|
37
|
17
|
13
|
17
|
18
|
15
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saturn Licensing LLC | 1443 |
39 |
| Samsung Electronics Co., Ltd. | 156823 |
19 |
| Apple Inc. | 58534 |
18 |
| Sony Corporation | 30263 |
18 |
| LG Electronics Inc. | 75536 |
17 |
| Sinclair Broadcast Group, Inc. | 48 |
17 |
| DivX, LLC | 299 |
12 |
| Sceneplay, Inc. | 12 |
11 |
| Adeia Guides Inc. | 3899 |
11 |
| InterDigital CE Patent Holdings, SAS | 1766 |
10 |
| Qualcomm Incorporated | 91550 |
9 |
| SundaySky Ltd. | 11 |
9 |
| Helios Streaming, LLC | 46 |
9 |
| Comcast Cable Communications, LLC | 5146 |
8 |
| Destiny Software Productions Inc. | 23 |
8 |
| Google LLC | 44361 |
8 |
| Maxell, Ltd. | 2993 |
8 |
| Intel Corporation | 46934 |
7 |
| Nokia Technologies Oy | 20956 |
7 |
| ARRIS Enterprises LLC | 3421 |
7 |
| Other owners | 243 |