- 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: 1599
10-year publication summary
|
82
|
107
|
105
|
173
|
99
|
111
|
92
|
175
|
178
|
99
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| B1 Institute of Image Technology, Inc. | 484 |
287 |
| LG Electronics Inc. | 75274 |
107 |
| Sony Corporation | 30327 |
86 |
| Samsung Electronics Co., Ltd. | 155224 |
63 |
| Qualcomm Incorporated | 90870 |
45 |
| Electronics and Telecommunications Research Institute | 9582 |
44 |
| Tencent America LLC | 4214 |
42 |
| Huawei Technologies Co., Ltd. | 121192 |
35 |
| University-industry Cooperation Group of Kyung Hee University | 1310 |
35 |
| Panasonic Intellectual Property Corporation of America | 7111 |
23 |
| Kwangwoon University Industry-academic Collaboration Foundation | 473 |
23 |
| Hyundai Motor Company | 24105 |
22 |
| Texas Instruments Incorporated | 19636 |
21 |
| NTT DoCoMo, Inc. | 14454 |
20 |
| Kia Corporation | 11859 |
20 |
| Google LLC | 44062 |
17 |
| Apple Inc. | 58268 |
16 |
| InterDigital Holdings, Inc. | 943 |
15 |
| Wilus Institute of Standards and Technology Inc. | 855 |
15 |
| Velos Media, LLC | 114 |
15 |
| Other owners | 648 |