- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 19/87 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving scene cut or scene change detection in combination with video compression
Patent holdings for IPC class H04N 19/87
Total number of patents in this class: 177
10-year publication summary
|
23
|
18
|
21
|
17
|
13
|
18
|
9
|
12
|
14
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dolby Laboratories Licensing Corporation | 4133 |
21 |
| V-Nova International Ltd. | 340 |
16 |
| Comcast Cable Communications, LLC | 4718 |
14 |
| Qualcomm Incorporated | 85914 |
7 |
| Netflix, Inc. | 1123 |
7 |
| Huawei Technologies Co., Ltd. | 113191 |
6 |
| Samsung Electronics Co., Ltd. | 147003 |
5 |
| Intel Corporation | 47051 |
5 |
| International Business Machines Corporation | 61344 |
4 |
| Nokia Technologies Oy | 18175 |
4 |
| ARRIS Enterprises LLC | 3452 |
4 |
| Apple Inc. | 55229 |
3 |
| Sony Corporation | 31004 |
3 |
| Mitsubishi Electric Corporation | 46249 |
3 |
| Microsoft Technology Licensing, LLC | 53805 |
3 |
| ATI Technologies ULC | 1524 |
3 |
| Google LLC | 42379 |
3 |
| Tencent Technology (Shenzhen) Company Limited | 14832 |
3 |
| Magic Pony Technology Limited | 29 |
3 |
| Avago Technologies International Sales Pte. Limited | 8739 |
3 |
| Other owners | 57 |