- 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: 1663
10-year publication summary
|
89
|
88
|
103
|
161
|
135
|
132
|
165
|
116
|
116
|
26
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 74502 |
127 |
| Qualcomm Incorporated | 89126 |
120 |
| Sony Corporation | 30568 |
103 |
| Samsung Electronics Co., Ltd. | 152016 |
62 |
| Tencent America LLC | 4120 |
49 |
| Huawei Technologies Co., Ltd. | 118634 |
48 |
| Bytedance Inc. | 4164 |
44 |
| Beijing Dajia Internet Information Technology Co., Ltd. | 1528 |
44 |
| Panasonic Corporation | 19859 |
41 |
| Dolby Video Compression, LLC | 361 |
37 |
| Texas Instruments Incorporated | 19574 |
35 |
| NTT DoCoMo, Inc. | 14081 |
31 |
| Panasonic Intellectual Property Corporation of America | 7034 |
29 |
| Sun Patent Trust | 2002 |
28 |
| Mediatek Inc. | 5328 |
27 |
| Beijing Bytedance Network Technology Co., Ltd. | 4122 |
26 |
| Google LLC | 43500 |
22 |
| Intel Corporation | 46594 |
21 |
| Ericsson | 22188 |
20 |
| Microsoft Technology Licensing, LLC | 54189 |
20 |
| Other owners | 729 |