- 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: 1339
10-year publication summary
|
94
|
82
|
107
|
105
|
173
|
99
|
109
|
91
|
165
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| B1 Institute of Image Technology, Inc. | 252 |
120 |
| LG Electronics Inc. | 71074 |
104 |
| Sony Corporation | 31530 |
89 |
| Samsung Electronics Co., Ltd. | 139302 |
50 |
| Qualcomm Incorporated | 82009 |
43 |
| Electronics and Telecommunications Research Institute | 9037 |
41 |
| Tencent America LLC | 3502 |
38 |
| University-industry Cooperation Group of Kyung Hee University | 1158 |
33 |
| Huawei Technologies Co., Ltd. | 106915 |
31 |
| Panasonic Intellectual Property Corporation of America | 7423 |
21 |
| Kwangwoon University Industry-academic Collaboration Foundation | 401 |
21 |
| NTT DoCoMo, Inc. | 12305 |
20 |
| Hyundai Motor Company | 20512 |
19 |
| Texas Instruments Incorporated | 19447 |
18 |
| Kia Corporation | 8185 |
17 |
| Apple Inc. | 52845 |
15 |
| Nippon Telegraph and Telephone Corporation | 16380 |
15 |
| FotoNation Limited | 486 |
14 |
| Google LLC | 40924 |
14 |
| Velos Media, LLC | 105 |
14 |
| Other owners | 602 |