- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 19/89 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder
Patent holdings for IPC class H04N 19/89
Total number of patents in this class: 466
10-year publication summary
|
22
|
39
|
26
|
28
|
18
|
22
|
34
|
21
|
15
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 74705 |
37 |
| Microsoft Technology Licensing, LLC | 54220 |
29 |
| Ericsson | 22219 |
24 |
| Samsung Electronics Co., Ltd. | 152534 |
23 |
| Dolby Video Compression, LLC | 361 |
23 |
| Qualcomm Incorporated | 89428 |
17 |
| Huawei Technologies Co., Ltd. | 119081 |
17 |
| Dolby Laboratories Licensing Corporation | 4254 |
15 |
| Canon Inc. | 41984 |
13 |
| Sony Corporation | 30518 |
9 |
| Electronics and Telecommunications Research Institute | 9473 |
9 |
| Imagination Technologies Limited | 1772 |
9 |
| Thomson Licensing | 3318 |
8 |
| Panasonic Intellectual Property Management Co., Ltd. | 33202 |
6 |
| Lenovo (Singapore) Pte. Ltd. | 3343 |
6 |
| Telefonaktiebolaget LM Ericsson (publ) | 28560 |
6 |
| Apple Inc. | 57505 |
5 |
| Panasonic Corporation | 19843 |
5 |
| Texas Instruments Incorporated | 19587 |
5 |
| Agora Lab, Inc. | 85 |
5 |
| Other owners | 195 |