- 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: 172
10-year publication summary
|
25
|
18
|
21
|
18
|
15
|
18
|
10
|
12
|
14
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dolby Laboratories Licensing Corporation | 4052 |
19 |
| Comcast Cable Communications, LLC | 4441 |
14 |
| V-Nova International Ltd. | 319 |
14 |
| Netflix, Inc. | 1034 |
7 |
| Qualcomm Incorporated | 81758 |
6 |
| Huawei Technologies Co., Ltd. | 106664 |
6 |
| Samsung Electronics Co., Ltd. | 138729 |
5 |
| Intel Corporation | 46119 |
5 |
| International Business Machines Corporation | 60095 |
4 |
| Nokia Technologies Oy | 16514 |
4 |
| ARRIS Enterprises LLC | 3441 |
4 |
| Apple Inc. | 52680 |
3 |
| Sony Corporation | 31550 |
3 |
| Mitsubishi Electric Corporation | 44794 |
3 |
| Microsoft Technology Licensing, LLC | 52893 |
3 |
| ATI Technologies ULC | 1475 |
3 |
| Google LLC | 40800 |
3 |
| Tencent Technology (Shenzhen) Company Limited | 14027 |
3 |
| Magic Pony Technology Limited | 29 |
3 |
| Avago Technologies International Sales Pte. Limited | 8938 |
3 |
| Other owners | 57 |