- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 19/31 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the temporal domain
Patent holdings for IPC class H04N 19/31
Total number of patents in this class: 1012
10-year publication summary
|
76
|
84
|
60
|
88
|
94
|
65
|
79
|
75
|
92
|
35
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 90870 |
94 |
| LG Electronics Inc. | 75274 |
64 |
| Ericsson | 22374 |
50 |
| Huawei Technologies Co., Ltd. | 121192 |
45 |
| Sony Corporation | 30327 |
42 |
| Sun Patent Trust | 2000 |
41 |
| Bytedance Inc. | 4304 |
36 |
| B1 Institute of Image Technology, Inc. | 484 |
35 |
| V-Nova International Ltd. | 387 |
33 |
| Microsoft Technology Licensing, LLC | 54289 |
32 |
| Electronics and Telecommunications Research Institute | 9582 |
31 |
| Sony Group Corporation | 15313 |
30 |
| Nokia Technologies Oy | 20731 |
29 |
| Dolby Laboratories Licensing Corporation | 4289 |
27 |
| Panasonic Intellectual Property Corporation of America | 7111 |
25 |
| Tencent America LLC | 4214 |
23 |
| Intel Corporation | 46737 |
21 |
| InterDigital Holdings, Inc. | 943 |
18 |
| KT Corporation | 2066 |
17 |
| Beijing Bytedance Network Technology Co., Ltd. | 4134 |
16 |
| Other owners | 303 |