- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 19/635 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets characterised by filter definition or implementation details
Patent holdings for IPC class H04N 19/635
Total number of patents in this class: 196
10-year publication summary
|
16
|
7
|
10
|
15
|
16
|
14
|
16
|
20
|
16
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 158605 |
22 |
| Bytedance Inc. | 4427 |
17 |
| V-Nova International Ltd. | 408 |
16 |
| Beijing Bytedance Network Technology Co., Ltd. | 4154 |
11 |
| Qualcomm Incorporated | 93006 |
9 |
| Ericsson | 22929 |
8 |
| Gensquare LLC | 140 |
7 |
| Huawei Technologies Co., Ltd. | 124379 |
6 |
| Beijing Dajia Internet Information Technology Co., Ltd. | 1564 |
6 |
| Tencent America LLC | 4323 |
6 |
| Sony Corporation | 30097 |
5 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5277 |
5 |
| Dolby International AB | 919 |
5 |
| Cisco Technology, Inc. | 22584 |
3 |
| Boe Technology Group Co., Ltd. | 44484 |
3 |
| InterDigital Holdings, Inc. | 964 |
3 |
| Intopix SA | 30 |
3 |
| Ideahub Inc | 55 |
3 |
| The Vale Group LLC | 48 |
3 |
| JHU, Hong-Jheng | 9 |
3 |
| Other owners | 52 |