- 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: 1269
10-year publication summary
|
116
|
65
|
98
|
108
|
110
|
108
|
92
|
83
|
77
|
66
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| V-Nova International Ltd. | 343 |
143 |
| Qualcomm Incorporated | 86023 |
95 |
| Dolby Laboratories Licensing Corporation | 4134 |
68 |
| Dolby Video Compression, LLC | 346 |
51 |
| Nokia Technologies Oy | 18187 |
40 |
| Samsung Electronics Co., Ltd. | 147131 |
39 |
| Sony Corporation | 30979 |
38 |
| Tencent America LLC | 3837 |
37 |
| Electronics and Telecommunications Research Institute | 9413 |
34 |
| KT Corporation | 2000 |
31 |
| Huawei Technologies Co., Ltd. | 113340 |
30 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4986 |
29 |
| InterDigital Holdings, Inc. | 839 |
29 |
| ARRIS Enterprises LLC | 3465 |
28 |
| Apple Inc. | 55287 |
24 |
| LG Electronics Inc. | 73393 |
21 |
| Texas Instruments Incorporated | 19450 |
21 |
| Microsoft Technology Licensing, LLC | 53829 |
19 |
| Ericsson | 21833 |
18 |
| Intel Corporation | 47062 |
15 |
| Other owners | 459 |