- 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: 1466
10-year publication summary
|
109
|
106
|
90
|
88
|
103
|
168
|
136
|
117
|
161
|
43
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 69257 |
114 |
| Sony Corporation | 32931 |
106 |
| Qualcomm Incorporated | 76576 |
97 |
| Samsung Electronics Co., Ltd. | 131630 |
50 |
| Panasonic Corporation | 20786 |
41 |
| Tencent America LLC | 2959 |
40 |
| Beijing Dajia Internet Information Technology Co., Ltd. | 1181 |
38 |
| Bytedance Inc. | 2313 |
36 |
| Texas Instruments Incorporated | 19376 |
32 |
| NTT DoCoMo, Inc. | 11501 |
31 |
| GE Video Compression, LLC | 373 |
31 |
| Mediatek Inc. | 4584 |
26 |
| Huawei Technologies Co., Ltd. | 100781 |
24 |
| Sun Patent Trust | 1972 |
23 |
| Google LLC | 38759 |
22 |
| Beijing Bytedance Network Technology Co., Ltd. | 3621 |
21 |
| Intel Corporation | 45621 |
20 |
| Microsoft Technology Licensing, LLC | 51439 |
18 |
| Ericsson | 20417 |
17 |
| Panasonic Intellectual Property Corporation of America | 7230 |
17 |
| Other owners | 662 |