- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 19/33 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the spatial domain
Patent holdings for IPC class H04N 19/33
Total number of patents in this class: 1377
10-year publication summary
|
66
|
99
|
109
|
117
|
119
|
92
|
90
|
83
|
112
|
46
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| V-Nova International Ltd. | 387 |
159 |
| Qualcomm Incorporated | 90870 |
98 |
| Dolby Laboratories Licensing Corporation | 4289 |
69 |
| Dolby Video Compression, LLC | 392 |
53 |
| Nokia Technologies Oy | 20731 |
45 |
| Tencent America LLC | 4214 |
41 |
| Samsung Electronics Co., Ltd. | 155224 |
39 |
| Sony Corporation | 30327 |
38 |
| B1 Institute of Image Technology, Inc. | 484 |
35 |
| Electronics and Telecommunications Research Institute | 9582 |
34 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5202 |
34 |
| Huawei Technologies Co., Ltd. | 121192 |
33 |
| InterDigital Holdings, Inc. | 943 |
32 |
| KT Corporation | 2066 |
31 |
| ARRIS Enterprises LLC | 3421 |
30 |
| Apple Inc. | 58268 |
23 |
| LG Electronics Inc. | 75274 |
21 |
| Texas Instruments Incorporated | 19636 |
21 |
| Microsoft Technology Licensing, LLC | 54289 |
19 |
| Ericsson | 22374 |
18 |
| Other owners | 504 |