- 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: 335
10-year publication summary
|
12
|
24
|
18
|
14
|
11
|
14
|
8
|
5
|
17
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Corporation | 30588 |
70 |
| Samsung Electronics Co., Ltd. | 151485 |
32 |
| Qualcomm Incorporated | 88827 |
24 |
| Microsoft Technology Licensing, LLC | 54168 |
11 |
| Nippon Telegraph and Telephone Corporation | 16265 |
11 |
| Dolby Laboratories Licensing Corporation | 4239 |
8 |
| LG Electronics Inc. | 74388 |
7 |
| Huawei Technologies Co., Ltd. | 118145 |
7 |
| InterDigital CE Patent Holdings, SAS | 1595 |
6 |
| Canon Inc. | 41672 |
5 |
| Electronics and Telecommunications Research Institute | 9435 |
5 |
| Google LLC | 43436 |
5 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 22119 |
5 |
| Sun Patent Trust | 2005 |
5 |
| Korea Advanced Institute of Science and Technology | 4518 |
4 |
| Nokia Technologies Oy | 19787 |
4 |
| Beamr Imaging Ltd | 38 |
4 |
| Comcast Cable Communications, LLC | 4972 |
4 |
| Industry-Academia Cooperation Group of Sejong University | 136 |
4 |
| Velos Media, LLC | 112 |
4 |
| Other owners | 110 |