- 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: 832
10-year publication summary
|
102
|
75
|
76
|
84
|
60
|
88
|
89
|
63
|
70
|
27
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 76576 |
92 |
| Sony Corporation | 32931 |
48 |
| LG Electronics Inc. | 69257 |
47 |
| Ericsson | 20417 |
46 |
| Sun Patent Trust | 1972 |
36 |
| Bytedance Inc. | 2313 |
29 |
| Electronics and Telecommunications Research Institute | 8830 |
27 |
| Nokia Technologies Oy | 15057 |
24 |
| Microsoft Technology Licensing, LLC | 51439 |
23 |
| V-Nova International Ltd. | 288 |
23 |
| Sony Group Corporation | 10730 |
23 |
| Huawei Technologies Co., Ltd. | 100781 |
22 |
| Intel Corporation | 45621 |
21 |
| Panasonic Intellectual Property Corporation of America | 7230 |
20 |
| Dolby Laboratories Licensing Corporation | 3883 |
20 |
| KT Corporation | 1885 |
17 |
| Vid Scale, Inc. | 442 |
17 |
| Tencent America LLC | 2959 |
17 |
| Vidyo, Inc. | 137 |
14 |
| Beijing Bytedance Network Technology Co., Ltd. | 3621 |
14 |
| Other owners | 252 |