- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 19/85 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
Patent holdings for IPC class H04N 19/85
Total number of patents in this class: 2187
10-year publication summary
|
146
|
158
|
167
|
219
|
183
|
184
|
175
|
183
|
215
|
149
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Corporation | 30901 |
129 |
| Dolby Laboratories Licensing Corporation | 4161 |
128 |
| Qualcomm Incorporated | 86990 |
124 |
| Samsung Electronics Co., Ltd. | 148077 |
103 |
| LG Electronics Inc. | 73714 |
74 |
| Nokia Technologies Oy | 18538 |
57 |
| Bytedance Inc. | 3912 |
52 |
| Tencent America LLC | 3904 |
50 |
| Huawei Technologies Co., Ltd. | 114462 |
47 |
| Google LLC | 42752 |
43 |
| Intel Corporation | 46921 |
39 |
| Microsoft Technology Licensing, LLC | 54029 |
35 |
| Canon Inc. | 40623 |
32 |
| InterDigital CE Patent Holdings, SAS | 1485 |
32 |
| Sony Group Corporation | 14321 |
32 |
| Panasonic Intellectual Property Management Co., Ltd. | 32095 |
31 |
| InterDigital Holdings, Inc. | 849 |
30 |
| Panasonic Intellectual Property Corporation of America | 6872 |
28 |
| Dolby Video Compression, LLC | 351 |
28 |
| Apple Inc. | 55735 |
23 |
| Other owners | 1070 |