- 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: 2067
10-year publication summary
|
151
|
167
|
173
|
225
|
191
|
191
|
175
|
184
|
213
|
22
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Corporation | 31550 |
134 |
| Qualcomm Incorporated | 81758 |
120 |
| Dolby Laboratories Licensing Corporation | 4052 |
120 |
| Samsung Electronics Co., Ltd. | 138729 |
98 |
| LG Electronics Inc. | 70957 |
59 |
| Nokia Technologies Oy | 16514 |
49 |
| Tencent America LLC | 3475 |
45 |
| Huawei Technologies Co., Ltd. | 106664 |
43 |
| Google LLC | 40800 |
41 |
| Intel Corporation | 46119 |
39 |
| Bytedance Inc. | 3599 |
36 |
| Microsoft Technology Licensing, LLC | 52893 |
34 |
| Canon Inc. | 38114 |
32 |
| Panasonic Intellectual Property Management Co., Ltd. | 29687 |
31 |
| InterDigital Holdings, Inc. | 783 |
30 |
| Sony Group Corporation | 12632 |
30 |
| Dolby Video Compression, LLC | 330 |
26 |
| Panasonic Intellectual Property Corporation of America | 7388 |
24 |
| Apple Inc. | 52680 |
23 |
| GoPro, Inc. | 1897 |
22 |
| Other owners | 1031 |