- 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: 5388
10-year publication summary
|
620
|
467
|
474
|
445
|
575
|
562
|
433
|
456
|
408
|
235
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tencent America LLC | 3736 |
608 |
| LG Electronics Inc. | 72473 |
347 |
| Samsung Electronics Co., Ltd. | 144143 |
319 |
| Qualcomm Incorporated | 84501 |
313 |
| Huawei Technologies Co., Ltd. | 110995 |
178 |
| Electronics and Telecommunications Research Institute | 9344 |
150 |
| Sun Patent Trust | 1991 |
138 |
| Beijing Dajia Internet Information Technology Co., Ltd. | 1447 |
118 |
| Sony Corporation | 31148 |
117 |
| KT Corporation | 1974 |
115 |
| Sharp Corporation | 10293 |
97 |
| Microsoft Technology Licensing, LLC | 53512 |
89 |
| Dolby Video Compression, LLC | 339 |
84 |
| Dolby International AB | 1035 |
81 |
| Dolby Laboratories Licensing Corporation | 4093 |
77 |
| Google LLC | 41828 |
68 |
| Canon Inc. | 39442 |
67 |
| Bytedance Inc. | 3742 |
67 |
| InterDigital Holdings, Inc. | 830 |
66 |
| Panasonic Intellectual Property Corporation of America | 7611 |
64 |
| Other owners | 2225 |