- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 19/44 - Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
Patent holdings for IPC class H04N 19/44
Total number of patents in this class: 5469
10-year publication summary
|
618
|
462
|
471
|
444
|
568
|
543
|
434
|
453
|
410
|
330
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tencent America LLC | 3851 |
618 |
| LG Electronics Inc. | 73531 |
351 |
| Samsung Electronics Co., Ltd. | 147501 |
315 |
| Qualcomm Incorporated | 86346 |
315 |
| Huawei Technologies Co., Ltd. | 113689 |
190 |
| Electronics and Telecommunications Research Institute | 9422 |
151 |
| Sun Patent Trust | 2004 |
142 |
| Beijing Dajia Internet Information Technology Co., Ltd. | 1482 |
122 |
| Sony Corporation | 30936 |
116 |
| KT Corporation | 2003 |
115 |
| Sharp Corporation | 10274 |
100 |
| Microsoft Technology Licensing, LLC | 53891 |
90 |
| Dolby Video Compression, LLC | 347 |
87 |
| Dolby International AB | 1027 |
80 |
| Dolby Laboratories Licensing Corporation | 4148 |
79 |
| Bytedance Inc. | 3866 |
70 |
| Google LLC | 42540 |
69 |
| Canon Inc. | 40352 |
68 |
| Panasonic Intellectual Property Corporation of America | 6835 |
66 |
| InterDigital Holdings, Inc. | 840 |
66 |
| Other owners | 2259 |