- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 19/19 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding using optimisation based on Lagrange multipliers
Patent holdings for IPC class H04N 19/19
Total number of patents in this class: 324
10-year publication summary
18
|
12
|
24
|
18
|
14
|
11
|
15
|
8
|
6
|
6
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Sony Corporation | 31107 |
70 |
Samsung Electronics Co., Ltd. | 145025 |
32 |
Qualcomm Incorporated | 84847 |
24 |
Nippon Telegraph and Telephone Corporation | 17260 |
12 |
Microsoft Technology Licensing, LLC | 53607 |
11 |
LG Electronics Inc. | 72737 |
7 |
Huawei Technologies Co., Ltd. | 111764 |
7 |
Dolby Laboratories Licensing Corporation | 4113 |
6 |
Canon Inc. | 39660 |
5 |
Google LLC | 42004 |
5 |
Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 20840 |
5 |
Sun Patent Trust | 1995 |
5 |
Electronics and Telecommunications Research Institute | 9365 |
4 |
Korea Advanced Institute of Science and Technology | 4362 |
4 |
Nokia Technologies Oy | 17637 |
4 |
Beamr Imaging Ltd | 39 |
4 |
Comcast Cable Communications, LLC | 4669 |
4 |
Velos Media, LLC | 108 |
4 |
InterDigital CE Patent Holdings, SAS | 1325 |
4 |
Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4920 |
3 |
Other owners | 104 |