- 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 |