- 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: 142
10-year publication summary
|
20
|
17
|
17
|
15
|
14
|
10
|
5
|
6
|
5
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 84971 |
15 |
| Dolby International AB | 1035 |
6 |
| Scale Video Coding, LLC | 9 |
6 |
| Samsung Electronics Co., Ltd. | 145416 |
5 |
| Sony Corporation | 31093 |
5 |
| Ericsson | 21704 |
4 |
| Texas Instruments Incorporated | 19480 |
4 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4934 |
4 |
| KT Corporation | 1976 |
4 |
| Tencent America LLC | 3761 |
4 |
| Cisco Technology, Inc. | 19860 |
3 |
| Panasonic Intellectual Property Corporation of America | 7613 |
3 |
| Nokia Technologies Oy | 17651 |
3 |
| Agora Lab, Inc. | 82 |
3 |
| Dolby Laboratories Licensing Corporation | 4116 |
3 |
| Sun Patent Trust | 1995 |
3 |
| V-Nova International Ltd. | 337 |
3 |
| Nevermind Capital LLC | 94 |
3 |
| LG Electronics Inc. | 72807 |
2 |
| Canon Inc. | 39713 |
2 |
| Other owners | 57 |