- 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: 1200
10-year publication summary
|
116
|
66
|
99
|
108
|
117
|
118
|
89
|
83
|
73
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| V-Nova International Ltd. | 319 |
130 |
| Qualcomm Incorporated | 81758 |
94 |
| Dolby Laboratories Licensing Corporation | 4052 |
66 |
| Dolby Video Compression, LLC | 330 |
49 |
| Nokia Technologies Oy | 16514 |
40 |
| Samsung Electronics Co., Ltd. | 138729 |
39 |
| Sony Corporation | 31550 |
38 |
| Tencent America LLC | 3475 |
37 |
| KT Corporation | 1934 |
31 |
| Huawei Technologies Co., Ltd. | 106664 |
30 |
| Electronics and Telecommunications Research Institute | 9012 |
29 |
| InterDigital Holdings, Inc. | 783 |
28 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4799 |
25 |
| ARRIS Enterprises LLC | 3441 |
25 |
| Apple Inc. | 52680 |
20 |
| LG Electronics Inc. | 70957 |
20 |
| Texas Instruments Incorporated | 19418 |
19 |
| Ericsson | 21125 |
18 |
| Microsoft Technology Licensing, LLC | 52893 |
17 |
| Intel Corporation | 46119 |
13 |
| Other owners | 432 |