- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 19/39 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability involving multiple description coding [MDC], i.e. with separate layers being structured as independently decodable descriptions of input picture data
Patent holdings for IPC class H04N 19/39
Total number of patents in this class: 144
10-year publication summary
|
17
|
17
|
15
|
14
|
10
|
6
|
7
|
5
|
5
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 92196 |
15 |
| Dolby International AB | 1027 |
6 |
| V-Nova International Ltd. | 403 |
6 |
| Samsung Electronics Co., Ltd. | 157719 |
5 |
| Sony Corporation | 30181 |
5 |
| Tencent America LLC | 4273 |
5 |
| Ericsson | 22717 |
4 |
| Texas Instruments Incorporated | 19672 |
4 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5257 |
4 |
| Nokia Technologies Oy | 21106 |
4 |
| Dolby Laboratories Licensing Corporation | 4320 |
4 |
| KT Corporation | 2090 |
4 |
| Cisco Technology, Inc. | 22493 |
3 |
| Panasonic Intellectual Property Corporation of America | 7182 |
3 |
| Agora Lab, Inc. | 94 |
3 |
| Sun Patent Trust | 2006 |
3 |
| Nevermind Capital LLC | 95 |
3 |
| LG Electronics Inc. | 75694 |
2 |
| Canon Inc. | 43817 |
2 |
| Caterpillar Inc. | 10267 |
2 |
| Other owners | 57 |