- 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: 6888
10-year publication summary
|
389
|
392
|
454
|
507
|
511
|
730
|
740
|
665
|
743
|
429
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 85550 |
459 |
| LG Electronics Inc. | 73210 |
429 |
| Huawei Technologies Co., Ltd. | 113006 |
302 |
| Tencent America LLC | 3828 |
298 |
| Bytedance Inc. | 3827 |
267 |
| Samsung Electronics Co., Ltd. | 146534 |
263 |
| Sony Corporation | 31028 |
234 |
| Dolby Laboratories Licensing Corporation | 4126 |
193 |
| Sun Patent Trust | 2000 |
176 |
| Microsoft Technology Licensing, LLC | 53739 |
161 |
| Beijing Bytedance Network Technology Co., Ltd. | 4084 |
159 |
| InterDigital Holdings, Inc. | 837 |
133 |
| Dolby Video Compression, LLC | 345 |
124 |
| Canon Inc. | 40015 |
122 |
| Panasonic Intellectual Property Corporation of America | 6793 |
120 |
| Electronics and Telecommunications Research Institute | 9399 |
112 |
| Sharp Corporation | 10255 |
99 |
| Nokia Technologies Oy | 17914 |
96 |
| Ericsson | 21778 |
92 |
| Apple Inc. | 55017 |
85 |
| Other owners | 2964 |