- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 19/423 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals - characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
Patent holdings for IPC class H04N 19/423
Total number of patents in this class: 1547
10-year publication summary
|
106
|
90
|
88
|
103
|
168
|
138
|
130
|
163
|
116
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 71039 |
117 |
| Qualcomm Incorporated | 81865 |
104 |
| Sony Corporation | 31541 |
103 |
| Samsung Electronics Co., Ltd. | 139001 |
53 |
| Tencent America LLC | 3487 |
45 |
| Beijing Dajia Internet Information Technology Co., Ltd. | 1380 |
42 |
| Panasonic Corporation | 20315 |
41 |
| Bytedance Inc. | 3604 |
41 |
| Huawei Technologies Co., Ltd. | 106762 |
39 |
| Texas Instruments Incorporated | 19432 |
33 |
| Dolby Video Compression, LLC | 333 |
32 |
| NTT DoCoMo, Inc. | 12286 |
31 |
| Mediatek Inc. | 4813 |
25 |
| Sun Patent Trust | 2040 |
25 |
| Beijing Bytedance Network Technology Co., Ltd. | 3967 |
24 |
| Google LLC | 40853 |
22 |
| Intel Corporation | 46126 |
21 |
| Ericsson | 21144 |
20 |
| Panasonic Intellectual Property Corporation of America | 7405 |
18 |
| Microsoft Technology Licensing, LLC | 52886 |
18 |
| Other owners | 693 |