- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 19/46 - Embedding additional information in the video signal during the compression process
Patent holdings for IPC class H04N 19/46
Total number of patents in this class: 7551
10-year publication summary
|
392
|
454
|
508
|
515
|
736
|
744
|
674
|
748
|
644
|
434
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 75973 |
478 |
| Qualcomm Incorporated | 93172 |
463 |
| Huawei Technologies Co., Ltd. | 124630 |
370 |
| Tencent America LLC | 4335 |
353 |
| Bytedance Inc. | 4433 |
315 |
| Samsung Electronics Co., Ltd. | 158842 |
268 |
| Sony Corporation | 30080 |
232 |
| Dolby Laboratories Licensing Corporation | 4369 |
203 |
| Sun Patent Trust | 1999 |
178 |
| Nokia Technologies Oy | 21624 |
175 |
| Beijing Bytedance Network Technology Co., Ltd. | 4158 |
163 |
| Microsoft Technology Licensing, LLC | 54554 |
160 |
| Dolby Video Compression, LLC | 396 |
160 |
| Canon Inc. | 44222 |
149 |
| InterDigital Holdings, Inc. | 967 |
146 |
| Panasonic Intellectual Property Corporation of America | 7254 |
140 |
| Electronics and Telecommunications Research Institute | 9711 |
120 |
| Sharp Corporation | 10860 |
109 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5285 |
109 |
| Ericsson | 22995 |
96 |
| Other owners | 3164 |