- 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: 1461
10-year publication summary
|
93
|
82
|
107
|
100
|
167
|
98
|
110
|
90
|
174
|
129
|
| 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. | 345 |
186 |
| LG Electronics Inc. | 73763 |
109 |
| Sony Corporation | 30891 |
87 |
| Samsung Electronics Co., Ltd. | 148173 |
59 |
| Qualcomm Incorporated | 87067 |
45 |
| Electronics and Telecommunications Research Institute | 9458 |
45 |
| Tencent America LLC | 3923 |
40 |
| University-industry Cooperation Group of Kyung Hee University | 1232 |
34 |
| Huawei Technologies Co., Ltd. | 114620 |
32 |
| Panasonic Intellectual Property Corporation of America | 6879 |
23 |
| Kwangwoon University Industry-academic Collaboration Foundation | 428 |
22 |
| Hyundai Motor Company | 22533 |
20 |
| NTT DoCoMo, Inc. | 13494 |
20 |
| Texas Instruments Incorporated | 19459 |
19 |
| Kia Corporation | 10246 |
18 |
| Apple Inc. | 55791 |
16 |
| Nippon Telegraph and Telephone Corporation | 16791 |
15 |
| Velos Media, LLC | 109 |
15 |
| FotoNation Limited | 359 |
14 |
| Google LLC | 42794 |
14 |
| Other owners | 628 |