- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 19/625 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
Patent holdings for IPC class H04N 19/625
Total number of patents in this class: 1247
10-year publication summary
104
|
94
|
82
|
107
|
105
|
173
|
97
|
108
|
88
|
46
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
LG Electronics Inc. | 69257 |
102 |
Sony Corporation | 32931 |
96 |
B1 Institute of Image Technology, Inc. | 132 |
53 |
Samsung Electronics Co., Ltd. | 131630 |
52 |
Qualcomm Incorporated | 76576 |
40 |
Electronics and Telecommunications Research Institute | 8830 |
37 |
Tencent America LLC | 2959 |
37 |
University-industry Cooperation Group of Kyung Hee University | 1078 |
30 |
Huawei Technologies Co., Ltd. | 100781 |
26 |
NTT DoCoMo, Inc. | 11501 |
20 |
Kwangwoon University Industry-academic Collaboration Foundation | 323 |
20 |
Microsoft Technology Licensing, LLC | 51439 |
18 |
Panasonic Intellectual Property Corporation of America | 7230 |
17 |
Nippon Telegraph and Telephone Corporation | 14195 |
17 |
Texas Instruments Incorporated | 19376 |
16 |
Intel Corporation | 45621 |
14 |
FotoNation Limited | 627 |
14 |
Google LLC | 38759 |
14 |
Bytedance Inc. | 2313 |
13 |
Canon Kabushiki Kaisha | 6884 |
13 |
Other owners | 598 |