• All sections
  • H - Electricity
  • H04N - Pictorial communication, e.g. television
  • H04N 19/18 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a set of transform coefficients

Patent holdings for IPC class H04N 19/18

Total number of patents in this class: 2143

10-year publication summary

175
148
119
171
191
229
271
271
244
97
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
LG Electronics Inc.
69291
399
Qualcomm Incorporated
77154
175
Samsung Electronics Co., Ltd.
132456
110
Tencent America LLC
3003
74
Google LLC
38989
72
Sony Corporation
32716
66
Electronics and Telecommunications Research Institute
8875
58
Canon Inc.
36836
48
Huawei Technologies Co., Ltd.
101589
43
GE Video Compression, LLC
375
42
Bytedance Inc.
2340
36
Panasonic Intellectual Property Corporation of America
7109
35
Microsoft Technology Licensing, LLC
51489
35
Beijing Bytedance Network Technology Co., Ltd.
3662
32
M & K Holdings Inc.
83
29
Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
4587
28
KT Corporation
1888
27
HFI Innovation Inc.
755
25
Sony Group Corporation
10956
23
Sharp Corporation
9941
22
Other owners 764