- 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: 195
10-year publication summary
|
16
|
7
|
10
|
14
|
16
|
14
|
16
|
20
|
16
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 151303 |
22 |
| Bytedance Inc. | 4146 |
17 |
| V-Nova International Ltd. | 372 |
16 |
| Beijing Bytedance Network Technology Co., Ltd. | 4120 |
11 |
| Qualcomm Incorporated | 88742 |
8 |
| Ericsson | 22142 |
7 |
| Gensquare LLC | 140 |
7 |
| Huawei Technologies Co., Ltd. | 117973 |
6 |
| Beijing Dajia Internet Information Technology Co., Ltd. | 1522 |
6 |
| Tencent America LLC | 4098 |
6 |
| Sony Corporation | 30608 |
5 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5155 |
5 |
| RGB Systems, Inc. | 150 |
5 |
| Dolby International AB | 740 |
5 |
| Cisco Technology, Inc. | 22202 |
3 |
| Boe Technology Group Co., Ltd. | 42451 |
3 |
| InterDigital Holdings, Inc. | 867 |
3 |
| The Vale Group LLC | 49 |
3 |
| JHU, Hong-Jheng | 9 |
3 |
| BlackBerry Limited | 5139 |
2 |
| Other owners | 52 |