- 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: 1628
10-year publication summary
|
82
|
107
|
105
|
173
|
99
|
111
|
92
|
175
|
182
|
125
|
| 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. | 514 |
307 |
| LG Electronics Inc. | 75654 |
107 |
| Sony Corporation | 30208 |
86 |
| Samsung Electronics Co., Ltd. | 157557 |
64 |
| Qualcomm Incorporated | 91997 |
46 |
| Electronics and Telecommunications Research Institute | 9670 |
44 |
| Tencent America LLC | 4266 |
42 |
| Huawei Technologies Co., Ltd. | 123282 |
37 |
| University-industry Cooperation Group of Kyung Hee University | 1337 |
35 |
| Panasonic Intellectual Property Corporation of America | 7176 |
23 |
| Kwangwoon University Industry-academic Collaboration Foundation | 491 |
23 |
| Hyundai Motor Company | 24602 |
22 |
| Texas Instruments Incorporated | 19663 |
21 |
| NTT DoCoMo, Inc. | 14659 |
20 |
| Kia Corporation | 12346 |
20 |
| Google LLC | 44482 |
17 |
| Apple Inc. | 58705 |
16 |
| InterDigital Holdings, Inc. | 958 |
15 |
| Wilus Institute of Standards and Technology Inc. | 874 |
15 |
| Velos Media, LLC | 114 |
15 |
| Other owners | 653 |