- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 19/62 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding by frequency transforming in three dimensions
Patent holdings for IPC class H04N 19/62
Total number of patents in this class: 78
10-year publication summary
5
|
10
|
6
|
9
|
8
|
18
|
10
|
2
|
5
|
5
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
V-Nova International Ltd. | 331 |
14 |
Google Technology Holdings LLC | 2343 |
7 |
Tencent America LLC | 3736 |
6 |
LG Electronics Inc. | 72473 |
5 |
Digitalinsights Inc. | 98 |
5 |
Cornell University | 3284 |
4 |
Google LLC | 41828 |
3 |
Sony Corporation | 31148 |
2 |
AT&T Intellectual Property I, L.P. | 9470 |
2 |
Alibaba Group Holding Limited | 6901 |
2 |
Sharp Corporation | 10293 |
2 |
Contrast, Inc. | 55 |
2 |
The Regents of the University of California | 19812 |
1 |
Panasonic Corporation | 20173 |
1 |
FUJIFILM Corporation | 29228 |
1 |
Texas Instruments Incorporated | 19487 |
1 |
Koninklijke Philips N.V. | 24557 |
1 |
Electronics and Telecommunications Research Institute | 9344 |
1 |
Panasonic Intellectual Property Corporation of America | 7611 |
1 |
Mediatek Inc. | 5050 |
1 |
Other owners | 16 |