- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 19/587 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal sub-sampling or interpolation, e.g. decimation or subsequent interpolation of pictures in a video sequence
Patent holdings for IPC class H04N 19/587
Total number of patents in this class: 567
10-year publication summary
52
|
47
|
43
|
57
|
41
|
45
|
38
|
40
|
36
|
26
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Qualcomm Incorporated | 84634 |
42 |
Dolby Laboratories Licensing Corporation | 4098 |
28 |
LG Electronics Inc. | 72559 |
27 |
Samsung Electronics Co., Ltd. | 144426 |
21 |
Electronics and Telecommunications Research Institute | 9358 |
21 |
Microsoft Technology Licensing, LLC | 53545 |
21 |
Dolby Video Compression, LLC | 340 |
19 |
Sony Corporation | 31138 |
17 |
Kwangwoon University Industry-academic Collaboration Foundation | 415 |
17 |
University-industry Cooperation Group of Kyung Hee University | 1204 |
16 |
Huawei Technologies Co., Ltd. | 111237 |
15 |
NTT DoCoMo, Inc. | 12798 |
9 |
Avago Technologies International Sales Pte. Limited | 8829 |
9 |
Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 20727 |
8 |
Apple Inc. | 54527 |
7 |
Fujitsu Limited | 18362 |
7 |
InterDigital Holdings, Inc. | 833 |
7 |
SZ DJI Technology Co., Ltd | 6840 |
7 |
Sony Group Corporation | 13560 |
7 |
Ericsson | 21622 |
6 |
Other owners | 256 |